Home / 91,769-129,233

Finding the Third Proportional to 91,769 and 129,233

Calculator

Solution

The third proportional to 91,769 and 129,233 is: 181,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769 : 129,233 = 129,233 : x
  2. Step 2: Convert to fraction form
    91,769/129,233 = 129,233/x
  3. Step 3: Cross multiply
    91,769x = 129,233 × 129,233
  4. Step 4: Simplify right side
    91,769x = 16,701,168,289
  5. Step 5: Solve for x
    x = 16,701,168,289/91,769
  6. Step 6: Final answer
    x = 181,991.39

Related Problems

Find third proportional to 45,884.50 and 64,616.50
Half scale
Find third proportional to 183,538 and 258,466
Double scale
Find third proportional to 91,771 and 129,236
Similar ratio
Find third proportional to 137,653.50 and 193,849.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.