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Finding the Third Proportional to 4,500 and 9,750

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Solution

The third proportional to 4,500 and 9,750 is: 21,125

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500 : 9,750 = 9,750 : x
  2. Step 2: Convert to fraction form
    4,500/9,750 = 9,750/x
  3. Step 3: Cross multiply
    4,500x = 9,750 × 9,750
  4. Step 4: Simplify right side
    4,500x = 95,062,500
  5. Step 5: Solve for x
    x = 95,062,500/4,500
  6. Step 6: Final answer
    x = 21,125

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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.