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Finding the Third Proportional to 25,212.75 and 39,621.75

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Solution

The third proportional to 25,212.75 and 39,621.75 is: 62,265.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.75 : 39,621.75 = 39,621.75 : x
  2. Step 2: Convert to fraction form
    25,212.75/39,621.75 = 39,621.75/x
  3. Step 3: Cross multiply
    25,212.75x = 39,621.75 × 39,621.75
  4. Step 4: Simplify right side
    25,212.75x = 1,569,883,073.06
  5. Step 5: Solve for x
    x = 1,569,883,073.06/25,212.75
  6. Step 6: Final answer
    x = 62,265.44

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.