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Finding the Third Proportional to 39,003.75 and 55,737.75

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Solution

The third proportional to 39,003.75 and 55,737.75 is: 79,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.75 : 55,737.75 = 55,737.75 : x
  2. Step 2: Convert to fraction form
    39,003.75/55,737.75 = 55,737.75/x
  3. Step 3: Cross multiply
    39,003.75x = 55,737.75 × 55,737.75
  4. Step 4: Simplify right side
    39,003.75x = 3,106,696,775.06
  5. Step 5: Solve for x
    x = 3,106,696,775.06/39,003.75
  6. Step 6: Final answer
    x = 79,651.23

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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.