Home / 275,451-425,632

Finding the Third Proportional to 275,451 and 425,632

Calculator

Solution

The third proportional to 275,451 and 425,632 is: 657,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,451 : 425,632 = 425,632 : x
  2. Step 2: Convert to fraction form
    275,451/425,632 = 425,632/x
  3. Step 3: Cross multiply
    275,451x = 425,632 × 425,632
  4. Step 4: Simplify right side
    275,451x = 181,162,599,424
  5. Step 5: Solve for x
    x = 181,162,599,424/275,451
  6. Step 6: Final answer
    x = 657,694.47

Related Problems

Find third proportional to 137,725.50 and 212,816
Half scale
Find third proportional to 550,902 and 851,264
Double scale
Find third proportional to 275,453 and 425,635
Similar ratio
Find third proportional to 413,176.50 and 638,448
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.