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Finding the Third Proportional to 75,387 and 158,523

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Solution

The third proportional to 75,387 and 158,523 is: 333,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,387 : 158,523 = 158,523 : x
  2. Step 2: Convert to fraction form
    75,387/158,523 = 158,523/x
  3. Step 3: Cross multiply
    75,387x = 158,523 × 158,523
  4. Step 4: Simplify right side
    75,387x = 25,129,541,529
  5. Step 5: Solve for x
    x = 25,129,541,529/75,387
  6. Step 6: Final answer
    x = 333,340.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.