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Finding the Third Proportional to 31,473.75 and 48,735.75

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Solution

The third proportional to 31,473.75 and 48,735.75 is: 75,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.75 : 48,735.75 = 48,735.75 : x
  2. Step 2: Convert to fraction form
    31,473.75/48,735.75 = 48,735.75/x
  3. Step 3: Cross multiply
    31,473.75x = 48,735.75 × 48,735.75
  4. Step 4: Simplify right side
    31,473.75x = 2,375,173,328.06
  5. Step 5: Solve for x
    x = 2,375,173,328.06/31,473.75
  6. Step 6: Final answer
    x = 75,465.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.