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Finding the Third Proportional to 25,428.75 and 38,328.75

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Solution

The third proportional to 25,428.75 and 38,328.75 is: 57,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.75 : 38,328.75 = 38,328.75 : x
  2. Step 2: Convert to fraction form
    25,428.75/38,328.75 = 38,328.75/x
  3. Step 3: Cross multiply
    25,428.75x = 38,328.75 × 38,328.75
  4. Step 4: Simplify right side
    25,428.75x = 1,469,093,076.56
  5. Step 5: Solve for x
    x = 1,469,093,076.56/25,428.75
  6. Step 6: Final answer
    x = 57,772.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.