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Finding the Third Proportional to 187,080 and 397,532

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Solution

The third proportional to 187,080 and 397,532 is: 844,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,080 : 397,532 = 397,532 : x
  2. Step 2: Convert to fraction form
    187,080/397,532 = 397,532/x
  3. Step 3: Cross multiply
    187,080x = 397,532 × 397,532
  4. Step 4: Simplify right side
    187,080x = 158,031,691,024
  5. Step 5: Solve for x
    x = 158,031,691,024/187,080
  6. Step 6: Final answer
    x = 844,727.88

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.