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Finding the Third Proportional to 13,808 and 30,737

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Solution

The third proportional to 13,808 and 30,737 is: 68,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808 : 30,737 = 30,737 : x
  2. Step 2: Convert to fraction form
    13,808/30,737 = 30,737/x
  3. Step 3: Cross multiply
    13,808x = 30,737 × 30,737
  4. Step 4: Simplify right side
    13,808x = 944,763,169
  5. Step 5: Solve for x
    x = 944,763,169/13,808
  6. Step 6: Final answer
    x = 68,421.43

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.