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Finding the Third Proportional to 11,407 and 16,717

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Solution

The third proportional to 11,407 and 16,717 is: 24,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,407 : 16,717 = 16,717 : x
  2. Step 2: Convert to fraction form
    11,407/16,717 = 16,717/x
  3. Step 3: Cross multiply
    11,407x = 16,717 × 16,717
  4. Step 4: Simplify right side
    11,407x = 279,458,089
  5. Step 5: Solve for x
    x = 279,458,089/11,407
  6. Step 6: Final answer
    x = 24,498.82

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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.