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Finding the Third Proportional to 15,290 and 27,259

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Solution

The third proportional to 15,290 and 27,259 is: 48,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290 : 27,259 = 27,259 : x
  2. Step 2: Convert to fraction form
    15,290/27,259 = 27,259/x
  3. Step 3: Cross multiply
    15,290x = 27,259 × 27,259
  4. Step 4: Simplify right side
    15,290x = 743,053,081
  5. Step 5: Solve for x
    x = 743,053,081/15,290
  6. Step 6: Final answer
    x = 48,597.32

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.