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Finding the Third Proportional to 13,102.13 and 18,520.88

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Solution

The third proportional to 13,102.13 and 18,520.88 is: 26,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.13 : 18,520.88 = 18,520.88 : x
  2. Step 2: Convert to fraction form
    13,102.13/18,520.88 = 18,520.88/x
  3. Step 3: Cross multiply
    13,102.13x = 18,520.88 × 18,520.88
  4. Step 4: Simplify right side
    13,102.13x = 343,022,810.77
  5. Step 5: Solve for x
    x = 343,022,810.77/13,102.13
  6. Step 6: Final answer
    x = 26,180.70

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.