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Finding the Third Proportional to 627.38 and 1,357.13

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Solution

The third proportional to 627.38 and 1,357.13 is: 2,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.38 : 1,357.13 = 1,357.13 : x
  2. Step 2: Convert to fraction form
    627.38/1,357.13 = 1,357.13/x
  3. Step 3: Cross multiply
    627.38x = 1,357.13 × 1,357.13
  4. Step 4: Simplify right side
    627.38x = 1,841,788.27
  5. Step 5: Solve for x
    x = 1,841,788.27/627.38
  6. Step 6: Final answer
    x = 2,935.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.