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Finding the Third Proportional to 27,873 and 54,347

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Solution

The third proportional to 27,873 and 54,347 is: 105,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873 : 54,347 = 54,347 : x
  2. Step 2: Convert to fraction form
    27,873/54,347 = 54,347/x
  3. Step 3: Cross multiply
    27,873x = 54,347 × 54,347
  4. Step 4: Simplify right side
    27,873x = 2,953,596,409
  5. Step 5: Solve for x
    x = 2,953,596,409/27,873
  6. Step 6: Final answer
    x = 105,966.22

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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.