Home / 99,018-207,918

Finding the Third Proportional to 99,018 and 207,918

Calculator

Solution

The third proportional to 99,018 and 207,918 is: 436,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018 : 207,918 = 207,918 : x
  2. Step 2: Convert to fraction form
    99,018/207,918 = 207,918/x
  3. Step 3: Cross multiply
    99,018x = 207,918 × 207,918
  4. Step 4: Simplify right side
    99,018x = 43,229,894,724
  5. Step 5: Solve for x
    x = 43,229,894,724/99,018
  6. Step 6: Final answer
    x = 436,586.22

Related Problems

Find third proportional to 49,509 and 103,959
Half scale
Find third proportional to 198,036 and 415,836
Double scale
Find third proportional to 99,020 and 207,922
Similar ratio
Find third proportional to 148,527 and 311,877
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.