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Finding the Third Proportional to 11,139 and 16,207.13

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Solution

The third proportional to 11,139 and 16,207.13 is: 23,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139 : 16,207.13 = 16,207.13 : x
  2. Step 2: Convert to fraction form
    11,139/16,207.13 = 16,207.13/x
  3. Step 3: Cross multiply
    11,139x = 16,207.13 × 16,207.13
  4. Step 4: Simplify right side
    11,139x = 262,670,900.77
  5. Step 5: Solve for x
    x = 262,670,900.77/11,139
  6. Step 6: Final answer
    x = 23,581.19

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.