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Finding the Third Proportional to 3,125.25 and 7,165.13

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Solution

The third proportional to 3,125.25 and 7,165.13 is: 16,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.25 : 7,165.13 = 7,165.13 : x
  2. Step 2: Convert to fraction form
    3,125.25/7,165.13 = 7,165.13/x
  3. Step 3: Cross multiply
    3,125.25x = 7,165.13 × 7,165.13
  4. Step 4: Simplify right side
    3,125.25x = 51,339,016.27
  5. Step 5: Solve for x
    x = 51,339,016.27/3,125.25
  6. Step 6: Final answer
    x = 16,427.17

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.