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Finding the Third Proportional to 3,385.13 and 8,348.06

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Solution

The third proportional to 3,385.13 and 8,348.06 is: 20,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.13 : 8,348.06 = 8,348.06 : x
  2. Step 2: Convert to fraction form
    3,385.13/8,348.06 = 8,348.06/x
  3. Step 3: Cross multiply
    3,385.13x = 8,348.06 × 8,348.06
  4. Step 4: Simplify right side
    3,385.13x = 69,690,147.50
  5. Step 5: Solve for x
    x = 69,690,147.50/3,385.13
  6. Step 6: Final answer
    x = 20,587.17

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.