Home / 90,270-126,199.13

Finding the Third Proportional to 90,270 and 126,199.13

Calculator

Solution

The third proportional to 90,270 and 126,199.13 is: 176,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270 : 126,199.13 = 126,199.13 : x
  2. Step 2: Convert to fraction form
    90,270/126,199.13 = 126,199.13/x
  3. Step 3: Cross multiply
    90,270x = 126,199.13 × 126,199.13
  4. Step 4: Simplify right side
    90,270x = 15,926,219,150.77
  5. Step 5: Solve for x
    x = 15,926,219,150.77/90,270
  6. Step 6: Final answer
    x = 176,428.70

Related Problems

Find third proportional to 45,135 and 63,099.56
Half scale
Find third proportional to 180,540 and 252,398.25
Double scale
Find third proportional to 90,272 and 126,202
Similar ratio
Find third proportional to 135,405 and 189,298.69
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.