Home / 389,620-527,982

Finding the Third Proportional to 389,620 and 527,982

Calculator

Solution

The third proportional to 389,620 and 527,982 is: 715,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,620 : 527,982 = 527,982 : x
  2. Step 2: Convert to fraction form
    389,620/527,982 = 527,982/x
  3. Step 3: Cross multiply
    389,620x = 527,982 × 527,982
  4. Step 4: Simplify right side
    389,620x = 278,764,992,324
  5. Step 5: Solve for x
    x = 278,764,992,324/389,620
  6. Step 6: Final answer
    x = 715,479.17

Related Problems

Find third proportional to 194,810 and 263,991
Half scale
Find third proportional to 779,240 and 1,055,964
Double scale
Find third proportional to 389,622 and 527,985
Similar ratio
Find third proportional to 584,430 and 791,973
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.