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Finding the Third Proportional to 158,472 and 345,376

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Solution

The third proportional to 158,472 and 345,376 is: 752,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,472 : 345,376 = 345,376 : x
  2. Step 2: Convert to fraction form
    158,472/345,376 = 345,376/x
  3. Step 3: Cross multiply
    158,472x = 345,376 × 345,376
  4. Step 4: Simplify right side
    158,472x = 119,284,581,376
  5. Step 5: Solve for x
    x = 119,284,581,376/158,472
  6. Step 6: Final answer
    x = 752,717.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.