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Finding the Third Proportional to 762.38 and 1,654.88

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Solution

The third proportional to 762.38 and 1,654.88 is: 3,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.38 : 1,654.88 = 1,654.88 : x
  2. Step 2: Convert to fraction form
    762.38/1,654.88 = 1,654.88/x
  3. Step 3: Cross multiply
    762.38x = 1,654.88 × 1,654.88
  4. Step 4: Simplify right side
    762.38x = 2,738,611.27
  5. Step 5: Solve for x
    x = 2,738,611.27/762.38
  6. Step 6: Final answer
    x = 3,592.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.