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Finding the Third Proportional to 11,668.50 and 17,587

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Solution

The third proportional to 11,668.50 and 17,587 is: 26,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.50 : 17,587 = 17,587 : x
  2. Step 2: Convert to fraction form
    11,668.50/17,587 = 17,587/x
  3. Step 3: Cross multiply
    11,668.50x = 17,587 × 17,587
  4. Step 4: Simplify right side
    11,668.50x = 309,302,569
  5. Step 5: Solve for x
    x = 309,302,569/11,668.50
  6. Step 6: Final answer
    x = 26,507.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.