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Finding the Third Proportional to 71,950 and 154,472

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Solution

The third proportional to 71,950 and 154,472 is: 331,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,950 : 154,472 = 154,472 : x
  2. Step 2: Convert to fraction form
    71,950/154,472 = 154,472/x
  3. Step 3: Cross multiply
    71,950x = 154,472 × 154,472
  4. Step 4: Simplify right side
    71,950x = 23,861,598,784
  5. Step 5: Solve for x
    x = 23,861,598,784/71,950
  6. Step 6: Final answer
    x = 331,641.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.