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Finding the Third Proportional to 10,376 and 13,125

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Solution

The third proportional to 10,376 and 13,125 is: 16,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376 : 13,125 = 13,125 : x
  2. Step 2: Convert to fraction form
    10,376/13,125 = 13,125/x
  3. Step 3: Cross multiply
    10,376x = 13,125 × 13,125
  4. Step 4: Simplify right side
    10,376x = 172,265,625
  5. Step 5: Solve for x
    x = 172,265,625/10,376
  6. Step 6: Final answer
    x = 16,602.32

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.