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Finding the Third Proportional to 28,041.75 and 39,996

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Solution

The third proportional to 28,041.75 and 39,996 is: 57,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.75 : 39,996 = 39,996 : x
  2. Step 2: Convert to fraction form
    28,041.75/39,996 = 39,996/x
  3. Step 3: Cross multiply
    28,041.75x = 39,996 × 39,996
  4. Step 4: Simplify right side
    28,041.75x = 1,599,680,016
  5. Step 5: Solve for x
    x = 1,599,680,016/28,041.75
  6. Step 6: Final answer
    x = 57,046.37

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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.