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Finding the Third Proportional to 15,459 and 23,151

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Solution

The third proportional to 15,459 and 23,151 is: 34,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459 : 23,151 = 23,151 : x
  2. Step 2: Convert to fraction form
    15,459/23,151 = 23,151/x
  3. Step 3: Cross multiply
    15,459x = 23,151 × 23,151
  4. Step 4: Simplify right side
    15,459x = 535,968,801
  5. Step 5: Solve for x
    x = 535,968,801/15,459
  6. Step 6: Final answer
    x = 34,670.34

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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.