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Finding the Third Proportional to 31,569.75 and 47,436.75

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Solution

The third proportional to 31,569.75 and 47,436.75 is: 71,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.75 : 47,436.75 = 47,436.75 : x
  2. Step 2: Convert to fraction form
    31,569.75/47,436.75 = 47,436.75/x
  3. Step 3: Cross multiply
    31,569.75x = 47,436.75 × 47,436.75
  4. Step 4: Simplify right side
    31,569.75x = 2,250,245,250.56
  5. Step 5: Solve for x
    x = 2,250,245,250.56/31,569.75
  6. Step 6: Final answer
    x = 71,278.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.