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Finding the Third Proportional to 11,189 and 16,459

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Solution

The third proportional to 11,189 and 16,459 is: 24,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189 : 16,459 = 16,459 : x
  2. Step 2: Convert to fraction form
    11,189/16,459 = 16,459/x
  3. Step 3: Cross multiply
    11,189x = 16,459 × 16,459
  4. Step 4: Simplify right side
    11,189x = 270,898,681
  5. Step 5: Solve for x
    x = 270,898,681/11,189
  6. Step 6: Final answer
    x = 24,211.16

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.