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Finding the Third Proportional to 757.13 and 1,654.88

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Solution

The third proportional to 757.13 and 1,654.88 is: 3,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.13 : 1,654.88 = 1,654.88 : x
  2. Step 2: Convert to fraction form
    757.13/1,654.88 = 1,654.88/x
  3. Step 3: Cross multiply
    757.13x = 1,654.88 × 1,654.88
  4. Step 4: Simplify right side
    757.13x = 2,738,611.27
  5. Step 5: Solve for x
    x = 2,738,611.27/757.13
  6. Step 6: Final answer
    x = 3,617.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.