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Finding the Third Proportional to 2,171.25 and 5,252.25

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Solution

The third proportional to 2,171.25 and 5,252.25 is: 12,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.25 : 5,252.25 = 5,252.25 : x
  2. Step 2: Convert to fraction form
    2,171.25/5,252.25 = 5,252.25/x
  3. Step 3: Cross multiply
    2,171.25x = 5,252.25 × 5,252.25
  4. Step 4: Simplify right side
    2,171.25x = 27,586,130.06
  5. Step 5: Solve for x
    x = 27,586,130.06/2,171.25
  6. Step 6: Final answer
    x = 12,705.18

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.