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Finding the Third Proportional to 15,040.50 and 23,381

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Solution

The third proportional to 15,040.50 and 23,381 is: 36,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.50 : 23,381 = 23,381 : x
  2. Step 2: Convert to fraction form
    15,040.50/23,381 = 23,381/x
  3. Step 3: Cross multiply
    15,040.50x = 23,381 × 23,381
  4. Step 4: Simplify right side
    15,040.50x = 546,671,161
  5. Step 5: Solve for x
    x = 546,671,161/15,040.50
  6. Step 6: Final answer
    x = 36,346.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.