Home / 99,781.50-143,442.75

Finding the Third Proportional to 99,781.50 and 143,442.75

Calculator

Solution

The third proportional to 99,781.50 and 143,442.75 is: 206,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,781.50 : 143,442.75 = 143,442.75 : x
  2. Step 2: Convert to fraction form
    99,781.50/143,442.75 = 143,442.75/x
  3. Step 3: Cross multiply
    99,781.50x = 143,442.75 × 143,442.75
  4. Step 4: Simplify right side
    99,781.50x = 20,575,822,527.56
  5. Step 5: Solve for x
    x = 20,575,822,527.56/99,781.50
  6. Step 6: Final answer
    x = 206,208.79

Related Problems

Find third proportional to 49,890.75 and 71,721.38
Half scale
Find third proportional to 199,563 and 286,885.50
Double scale
Find third proportional to 99,784 and 143,446
Similar ratio
Find third proportional to 149,672.25 and 215,164.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.