Home / 69,115,728-148,488,417

Finding the Third Proportional to 69,115,728 and 148,488,417

Calculator

Solution

The third proportional to 69,115,728 and 148,488,417 is: 319,012,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,115,728 : 148,488,417 = 148,488,417 : x
  2. Step 2: Convert to fraction form
    69,115,728/148,488,417 = 148,488,417/x
  3. Step 3: Cross multiply
    69,115,728x = 148,488,417 × 148,488,417
  4. Step 4: Simplify right side
    69,115,728x = 22,048,809,983,165,888
  5. Step 5: Solve for x
    x = 22,048,809,983,165,888/69,115,728
  6. Step 6: Final answer
    x = 319,012,916.76

Related Problems

Find third proportional to 34,557,864 and 74,244,208.50
Half scale
Find third proportional to 138,231,456 and 296,976,834
Double scale
Find third proportional to 69,115,730 and 148,488,421
Similar ratio
Find third proportional to 103,673,592 and 222,732,625.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.