Home / 274,147-430,154

Finding the Third Proportional to 274,147 and 430,154

Calculator

Solution

The third proportional to 274,147 and 430,154 is: 674,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,147 : 430,154 = 430,154 : x
  2. Step 2: Convert to fraction form
    274,147/430,154 = 430,154/x
  3. Step 3: Cross multiply
    274,147x = 430,154 × 430,154
  4. Step 4: Simplify right side
    274,147x = 185,032,463,716
  5. Step 5: Solve for x
    x = 185,032,463,716/274,147
  6. Step 6: Final answer
    x = 674,938.86

Related Problems

Find third proportional to 137,073.50 and 215,077
Half scale
Find third proportional to 548,294 and 860,308
Double scale
Find third proportional to 274,149 and 430,157
Similar ratio
Find third proportional to 411,220.50 and 645,231
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.