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Finding the Third Proportional to 1,750 and 3,988

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Solution

The third proportional to 1,750 and 3,988 is: 9,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750 : 3,988 = 3,988 : x
  2. Step 2: Convert to fraction form
    1,750/3,988 = 3,988/x
  3. Step 3: Cross multiply
    1,750x = 3,988 × 3,988
  4. Step 4: Simplify right side
    1,750x = 15,904,144
  5. Step 5: Solve for x
    x = 15,904,144/1,750
  6. Step 6: Final answer
    x = 9,088.08

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.