Home / 267,243-392,115

Finding the Third Proportional to 267,243 and 392,115

Calculator

Solution

The third proportional to 267,243 and 392,115 is: 575,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,243 : 392,115 = 392,115 : x
  2. Step 2: Convert to fraction form
    267,243/392,115 = 392,115/x
  3. Step 3: Cross multiply
    267,243x = 392,115 × 392,115
  4. Step 4: Simplify right side
    267,243x = 153,754,173,225
  5. Step 5: Solve for x
    x = 153,754,173,225/267,243
  6. Step 6: Final answer
    x = 575,334.71

Related Problems

Find third proportional to 133,621.50 and 196,057.50
Half scale
Find third proportional to 534,486 and 784,230
Double scale
Find third proportional to 267,245 and 392,118
Similar ratio
Find third proportional to 400,864.50 and 588,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.