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Finding the Third Proportional to 4,512.38 and 9,385.88

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Solution

The third proportional to 4,512.38 and 9,385.88 is: 19,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.38 : 9,385.88 = 9,385.88 : x
  2. Step 2: Convert to fraction form
    4,512.38/9,385.88 = 9,385.88/x
  3. Step 3: Cross multiply
    4,512.38x = 9,385.88 × 9,385.88
  4. Step 4: Simplify right side
    4,512.38x = 88,094,649.52
  5. Step 5: Solve for x
    x = 88,094,649.52/4,512.38
  6. Step 6: Final answer
    x = 19,522.90

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.