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Finding the Third Proportional to 239,208 and 370,149

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Solution

The third proportional to 239,208 and 370,149 is: 572,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,208 : 370,149 = 370,149 : x
  2. Step 2: Convert to fraction form
    239,208/370,149 = 370,149/x
  3. Step 3: Cross multiply
    239,208x = 370,149 × 370,149
  4. Step 4: Simplify right side
    239,208x = 137,010,282,201
  5. Step 5: Solve for x
    x = 137,010,282,201/239,208
  6. Step 6: Final answer
    x = 572,766.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.