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Finding the Third Proportional to 1,102.20 and 2,373.13

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Solution

The third proportional to 1,102.20 and 2,373.13 is: 5,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.20 : 2,373.13 = 2,373.13 : x
  2. Step 2: Convert to fraction form
    1,102.20/2,373.13 = 2,373.13/x
  3. Step 3: Cross multiply
    1,102.20x = 2,373.13 × 2,373.13
  4. Step 4: Simplify right side
    1,102.20x = 5,631,726.90
  5. Step 5: Solve for x
    x = 5,631,726.90/1,102.20
  6. Step 6: Final answer
    x = 5,109.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.