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Finding the Third Proportional to 15,573.75 and 22,251.75

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Solution

The third proportional to 15,573.75 and 22,251.75 is: 31,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.75 : 22,251.75 = 22,251.75 : x
  2. Step 2: Convert to fraction form
    15,573.75/22,251.75 = 22,251.75/x
  3. Step 3: Cross multiply
    15,573.75x = 22,251.75 × 22,251.75
  4. Step 4: Simplify right side
    15,573.75x = 495,140,378.06
  5. Step 5: Solve for x
    x = 495,140,378.06/15,573.75
  6. Step 6: Final answer
    x = 31,793.27

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.