Home / 206,739-455,382

Finding the Third Proportional to 206,739 and 455,382

Calculator

Solution

The third proportional to 206,739 and 455,382 is: 1,003,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,739 : 455,382 = 455,382 : x
  2. Step 2: Convert to fraction form
    206,739/455,382 = 455,382/x
  3. Step 3: Cross multiply
    206,739x = 455,382 × 455,382
  4. Step 4: Simplify right side
    206,739x = 207,372,765,924
  5. Step 5: Solve for x
    x = 207,372,765,924/206,739
  6. Step 6: Final answer
    x = 1,003,065.54

Related Problems

Find third proportional to 103,369.50 and 227,691
Half scale
Find third proportional to 413,478 and 910,764
Double scale
Find third proportional to 206,741 and 455,386
Similar ratio
Find third proportional to 310,108.50 and 683,073
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.