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Finding the Third Proportional to 27,156 and 57,897

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Solution

The third proportional to 27,156 and 57,897 is: 123,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156 : 57,897 = 57,897 : x
  2. Step 2: Convert to fraction form
    27,156/57,897 = 57,897/x
  3. Step 3: Cross multiply
    27,156x = 57,897 × 57,897
  4. Step 4: Simplify right side
    27,156x = 3,352,062,609
  5. Step 5: Solve for x
    x = 3,352,062,609/27,156
  6. Step 6: Final answer
    x = 123,437.27

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.