Home / 655,221-987,453

Finding the Third Proportional to 655,221 and 987,453

Calculator

Solution

The third proportional to 655,221 and 987,453 is: 1,488,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,221 : 987,453 = 987,453 : x
  2. Step 2: Convert to fraction form
    655,221/987,453 = 987,453/x
  3. Step 3: Cross multiply
    655,221x = 987,453 × 987,453
  4. Step 4: Simplify right side
    655,221x = 975,063,427,209
  5. Step 5: Solve for x
    x = 975,063,427,209/655,221
  6. Step 6: Final answer
    x = 1,488,144.35

Related Problems

Find third proportional to 327,610.50 and 493,726.50
Half scale
Find third proportional to 1,310,442 and 1,974,906
Double scale
Find third proportional to 655,223 and 987,456
Similar ratio
Find third proportional to 982,831.50 and 1,481,179.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.