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Finding the Third Proportional to 25,274 and 54,915

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Solution

The third proportional to 25,274 and 54,915 is: 119,318.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274 : 54,915 = 54,915 : x
  2. Step 2: Convert to fraction form
    25,274/54,915 = 54,915/x
  3. Step 3: Cross multiply
    25,274x = 54,915 × 54,915
  4. Step 4: Simplify right side
    25,274x = 3,015,657,225
  5. Step 5: Solve for x
    x = 3,015,657,225/25,274
  6. Step 6: Final answer
    x = 119,318.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.