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Finding the Third Proportional to 8,828 and 13,700

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Solution

The third proportional to 8,828 and 13,700 is: 21,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828 : 13,700 = 13,700 : x
  2. Step 2: Convert to fraction form
    8,828/13,700 = 13,700/x
  3. Step 3: Cross multiply
    8,828x = 13,700 × 13,700
  4. Step 4: Simplify right side
    8,828x = 187,690,000
  5. Step 5: Solve for x
    x = 187,690,000/8,828
  6. Step 6: Final answer
    x = 21,260.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.