Home / 207,420-455,016

Finding the Third Proportional to 207,420 and 455,016

Calculator

Solution

The third proportional to 207,420 and 455,016 is: 998,165.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,420 : 455,016 = 455,016 : x
  2. Step 2: Convert to fraction form
    207,420/455,016 = 455,016/x
  3. Step 3: Cross multiply
    207,420x = 455,016 × 455,016
  4. Step 4: Simplify right side
    207,420x = 207,039,560,256
  5. Step 5: Solve for x
    x = 207,039,560,256/207,420
  6. Step 6: Final answer
    x = 998,165.85

Related Problems

Find third proportional to 103,710 and 227,508
Half scale
Find third proportional to 414,840 and 910,032
Double scale
Find third proportional to 207,422 and 455,020
Similar ratio
Find third proportional to 311,130 and 682,524
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.