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Finding the Third Proportional to 138,756 and 206,598

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Solution

The third proportional to 138,756 and 206,598 is: 307,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,756 : 206,598 = 206,598 : x
  2. Step 2: Convert to fraction form
    138,756/206,598 = 206,598/x
  3. Step 3: Cross multiply
    138,756x = 206,598 × 206,598
  4. Step 4: Simplify right side
    138,756x = 42,682,733,604
  5. Step 5: Solve for x
    x = 42,682,733,604/138,756
  6. Step 6: Final answer
    x = 307,610.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.