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Finding the Third Proportional to 7,792 and 15,384

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Solution

The third proportional to 7,792 and 15,384 is: 30,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792 : 15,384 = 15,384 : x
  2. Step 2: Convert to fraction form
    7,792/15,384 = 15,384/x
  3. Step 3: Cross multiply
    7,792x = 15,384 × 15,384
  4. Step 4: Simplify right side
    7,792x = 236,667,456
  5. Step 5: Solve for x
    x = 236,667,456/7,792
  6. Step 6: Final answer
    x = 30,373.13

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.