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Finding the Third Proportional to 13,668.50 and 22,320

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Solution

The third proportional to 13,668.50 and 22,320 is: 36,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.50 : 22,320 = 22,320 : x
  2. Step 2: Convert to fraction form
    13,668.50/22,320 = 22,320/x
  3. Step 3: Cross multiply
    13,668.50x = 22,320 × 22,320
  4. Step 4: Simplify right side
    13,668.50x = 498,182,400
  5. Step 5: Solve for x
    x = 498,182,400/13,668.50
  6. Step 6: Final answer
    x = 36,447.48

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.