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Finding the Third Proportional to 9,330 and 13,787

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Solution

The third proportional to 9,330 and 13,787 is: 20,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330 : 13,787 = 13,787 : x
  2. Step 2: Convert to fraction form
    9,330/13,787 = 13,787/x
  3. Step 3: Cross multiply
    9,330x = 13,787 × 13,787
  4. Step 4: Simplify right side
    9,330x = 190,081,369
  5. Step 5: Solve for x
    x = 190,081,369/9,330
  6. Step 6: Final answer
    x = 20,373.14

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.