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Finding the Third Proportional to 39,240.75 and 50,385.75

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Solution

The third proportional to 39,240.75 and 50,385.75 is: 64,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.75 : 50,385.75 = 50,385.75 : x
  2. Step 2: Convert to fraction form
    39,240.75/50,385.75 = 50,385.75/x
  3. Step 3: Cross multiply
    39,240.75x = 50,385.75 × 50,385.75
  4. Step 4: Simplify right side
    39,240.75x = 2,538,723,803.06
  5. Step 5: Solve for x
    x = 2,538,723,803.06/39,240.75
  6. Step 6: Final answer
    x = 64,696.11

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.