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Finding the Third Proportional to 4,275 and 9,287

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Solution

The third proportional to 4,275 and 9,287 is: 20,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275 : 9,287 = 9,287 : x
  2. Step 2: Convert to fraction form
    4,275/9,287 = 9,287/x
  3. Step 3: Cross multiply
    4,275x = 9,287 × 9,287
  4. Step 4: Simplify right side
    4,275x = 86,248,369
  5. Step 5: Solve for x
    x = 86,248,369/4,275
  6. Step 6: Final answer
    x = 20,175.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.