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Finding the Third Proportional to 9,154 and 13,829

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Solution

The third proportional to 9,154 and 13,829 is: 20,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154 : 13,829 = 13,829 : x
  2. Step 2: Convert to fraction form
    9,154/13,829 = 13,829/x
  3. Step 3: Cross multiply
    9,154x = 13,829 × 13,829
  4. Step 4: Simplify right side
    9,154x = 191,241,241
  5. Step 5: Solve for x
    x = 191,241,241/9,154
  6. Step 6: Final answer
    x = 20,891.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.