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Finding the Third Proportional to 25,282 and 54,378

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Solution

The third proportional to 25,282 and 54,378 is: 116,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,282 : 54,378 = 54,378 : x
  2. Step 2: Convert to fraction form
    25,282/54,378 = 54,378/x
  3. Step 3: Cross multiply
    25,282x = 54,378 × 54,378
  4. Step 4: Simplify right side
    25,282x = 2,956,966,884
  5. Step 5: Solve for x
    x = 2,956,966,884/25,282
  6. Step 6: Final answer
    x = 116,959.37

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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.