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Finding the Third Proportional to 7,131 and 13,110

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Solution

The third proportional to 7,131 and 13,110 is: 24,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131 : 13,110 = 13,110 : x
  2. Step 2: Convert to fraction form
    7,131/13,110 = 13,110/x
  3. Step 3: Cross multiply
    7,131x = 13,110 × 13,110
  4. Step 4: Simplify right side
    7,131x = 171,872,100
  5. Step 5: Solve for x
    x = 171,872,100/7,131
  6. Step 6: Final answer
    x = 24,102.10

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.