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Finding the Third Proportional to 3,842.50 and 5,283.75

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Solution

The third proportional to 3,842.50 and 5,283.75 is: 7,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.50 : 5,283.75 = 5,283.75 : x
  2. Step 2: Convert to fraction form
    3,842.50/5,283.75 = 5,283.75/x
  3. Step 3: Cross multiply
    3,842.50x = 5,283.75 × 5,283.75
  4. Step 4: Simplify right side
    3,842.50x = 27,918,014.06
  5. Step 5: Solve for x
    x = 27,918,014.06/3,842.50
  6. Step 6: Final answer
    x = 7,265.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.