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Finding the Third Proportional to 27,769 and 54,154

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Solution

The third proportional to 27,769 and 54,154 is: 105,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769 : 54,154 = 54,154 : x
  2. Step 2: Convert to fraction form
    27,769/54,154 = 54,154/x
  3. Step 3: Cross multiply
    27,769x = 54,154 × 54,154
  4. Step 4: Simplify right side
    27,769x = 2,932,655,716
  5. Step 5: Solve for x
    x = 2,932,655,716/27,769
  6. Step 6: Final answer
    x = 105,608.98

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.