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Finding the Third Proportional to 10,230 and 15,395

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Solution

The third proportional to 10,230 and 15,395 is: 23,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230 : 15,395 = 15,395 : x
  2. Step 2: Convert to fraction form
    10,230/15,395 = 15,395/x
  3. Step 3: Cross multiply
    10,230x = 15,395 × 15,395
  4. Step 4: Simplify right side
    10,230x = 237,006,025
  5. Step 5: Solve for x
    x = 237,006,025/10,230
  6. Step 6: Final answer
    x = 23,167.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.