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Finding the Third Proportional to 4,534.13 and 9,611.63

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Solution

The third proportional to 4,534.13 and 9,611.63 is: 20,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,534.13 : 9,611.63 = 9,611.63 : x
  2. Step 2: Convert to fraction form
    4,534.13/9,611.63 = 9,611.63/x
  3. Step 3: Cross multiply
    4,534.13x = 9,611.63 × 9,611.63
  4. Step 4: Simplify right side
    4,534.13x = 92,383,335.14
  5. Step 5: Solve for x
    x = 92,383,335.14/4,534.13
  6. Step 6: Final answer
    x = 20,375.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.