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Finding the Third Proportional to 25,455 and 54,558

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Solution

The third proportional to 25,455 and 54,558 is: 116,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455 : 54,558 = 54,558 : x
  2. Step 2: Convert to fraction form
    25,455/54,558 = 54,558/x
  3. Step 3: Cross multiply
    25,455x = 54,558 × 54,558
  4. Step 4: Simplify right side
    25,455x = 2,976,575,364
  5. Step 5: Solve for x
    x = 2,976,575,364/25,455
  6. Step 6: Final answer
    x = 116,934.80

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.