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Finding the Third Proportional to 8,278 and 15,584

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Solution

The third proportional to 8,278 and 15,584 is: 29,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278 : 15,584 = 15,584 : x
  2. Step 2: Convert to fraction form
    8,278/15,584 = 15,584/x
  3. Step 3: Cross multiply
    8,278x = 15,584 × 15,584
  4. Step 4: Simplify right side
    8,278x = 242,861,056
  5. Step 5: Solve for x
    x = 242,861,056/8,278
  6. Step 6: Final answer
    x = 29,338.13

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Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.