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Finding the Third Proportional to 11,416 and 18,114

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Solution

The third proportional to 11,416 and 18,114 is: 28,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416 : 18,114 = 18,114 : x
  2. Step 2: Convert to fraction form
    11,416/18,114 = 18,114/x
  3. Step 3: Cross multiply
    11,416x = 18,114 × 18,114
  4. Step 4: Simplify right side
    11,416x = 328,116,996
  5. Step 5: Solve for x
    x = 328,116,996/11,416
  6. Step 6: Final answer
    x = 28,741.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.