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Finding the Third Proportional to 151,748 and 218,583

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Solution

The third proportional to 151,748 and 218,583 is: 314,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,748 : 218,583 = 218,583 : x
  2. Step 2: Convert to fraction form
    151,748/218,583 = 218,583/x
  3. Step 3: Cross multiply
    151,748x = 218,583 × 218,583
  4. Step 4: Simplify right side
    151,748x = 47,778,527,889
  5. Step 5: Solve for x
    x = 47,778,527,889/151,748
  6. Step 6: Final answer
    x = 314,854.42

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.