Home / 252,273-391,020

Finding the Third Proportional to 252,273 and 391,020

Calculator

Solution

The third proportional to 252,273 and 391,020 is: 606,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,273 : 391,020 = 391,020 : x
  2. Step 2: Convert to fraction form
    252,273/391,020 = 391,020/x
  3. Step 3: Cross multiply
    252,273x = 391,020 × 391,020
  4. Step 4: Simplify right side
    252,273x = 152,896,640,400
  5. Step 5: Solve for x
    x = 152,896,640,400/252,273
  6. Step 6: Final answer
    x = 606,076.12

Related Problems

Find third proportional to 126,136.50 and 195,510
Half scale
Find third proportional to 504,546 and 782,040
Double scale
Find third proportional to 252,275 and 391,023
Similar ratio
Find third proportional to 378,409.50 and 586,530
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.