Home / 85,904-129,017.50

Finding the Third Proportional to 85,904 and 129,017.50

Calculator

Solution

The third proportional to 85,904 and 129,017.50 is: 193,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,904 : 129,017.50 = 129,017.50 : x
  2. Step 2: Convert to fraction form
    85,904/129,017.50 = 129,017.50/x
  3. Step 3: Cross multiply
    85,904x = 129,017.50 × 129,017.50
  4. Step 4: Simplify right side
    85,904x = 16,645,515,306.25
  5. Step 5: Solve for x
    x = 16,645,515,306.25/85,904
  6. Step 6: Final answer
    x = 193,768.80

Related Problems

Find third proportional to 42,952 and 64,508.75
Half scale
Find third proportional to 171,808 and 258,035
Double scale
Find third proportional to 85,906 and 129,021
Similar ratio
Find third proportional to 128,856 and 193,526.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.