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Finding the Third Proportional to 10,047 and 11,391

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Solution

The third proportional to 10,047 and 11,391 is: 12,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047 : 11,391 = 11,391 : x
  2. Step 2: Convert to fraction form
    10,047/11,391 = 11,391/x
  3. Step 3: Cross multiply
    10,047x = 11,391 × 11,391
  4. Step 4: Simplify right side
    10,047x = 129,754,881
  5. Step 5: Solve for x
    x = 129,754,881/10,047
  6. Step 6: Final answer
    x = 12,914.79

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.