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Finding the Third Proportional to 25,320 and 54,537

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Solution

The third proportional to 25,320 and 54,537 is: 117,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320 : 54,537 = 54,537 : x
  2. Step 2: Convert to fraction form
    25,320/54,537 = 54,537/x
  3. Step 3: Cross multiply
    25,320x = 54,537 × 54,537
  4. Step 4: Simplify right side
    25,320x = 2,974,284,369
  5. Step 5: Solve for x
    x = 2,974,284,369/25,320
  6. Step 6: Final answer
    x = 117,467.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.