Home / 297,378,970-644,173,123

Finding the Third Proportional to 297,378,970 and 644,173,123

Calculator

Solution

The third proportional to 297,378,970 and 644,173,123 is: 1,395,387,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,378,970 : 644,173,123 = 644,173,123 : x
  2. Step 2: Convert to fraction form
    297,378,970/644,173,123 = 644,173,123/x
  3. Step 3: Cross multiply
    297,378,970x = 644,173,123 × 644,173,123
  4. Step 4: Simplify right side
    297,378,970x = 414,959,012,395,573,120
  5. Step 5: Solve for x
    x = 414,959,012,395,573,120/297,378,970
  6. Step 6: Final answer
    x = 1,395,387,886.36

Related Problems

Find third proportional to 148,689,485 and 322,086,561.50
Half scale
Find third proportional to 594,757,940 and 1,288,346,246
Double scale
Find third proportional to 297,378,972 and 644,173,127
Similar ratio
Find third proportional to 446,068,455 and 966,259,684.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.