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Finding the Third Proportional to 12,140 and 26,668

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Solution

The third proportional to 12,140 and 26,668 is: 58,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140 : 26,668 = 26,668 : x
  2. Step 2: Convert to fraction form
    12,140/26,668 = 26,668/x
  3. Step 3: Cross multiply
    12,140x = 26,668 × 26,668
  4. Step 4: Simplify right side
    12,140x = 711,182,224
  5. Step 5: Solve for x
    x = 711,182,224/12,140
  6. Step 6: Final answer
    x = 58,581.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.