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Finding the Third Proportional to 71,248.50 and 150,543

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Solution

The third proportional to 71,248.50 and 150,543 is: 318,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248.50 : 150,543 = 150,543 : x
  2. Step 2: Convert to fraction form
    71,248.50/150,543 = 150,543/x
  3. Step 3: Cross multiply
    71,248.50x = 150,543 × 150,543
  4. Step 4: Simplify right side
    71,248.50x = 22,663,194,849
  5. Step 5: Solve for x
    x = 22,663,194,849/71,248.50
  6. Step 6: Final answer
    x = 318,086.62

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.