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Finding the Third Proportional to 3,948.75 and 6,253.45

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Solution

The third proportional to 3,948.75 and 6,253.45 is: 9,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.75 : 6,253.45 = 6,253.45 : x
  2. Step 2: Convert to fraction form
    3,948.75/6,253.45 = 6,253.45/x
  3. Step 3: Cross multiply
    3,948.75x = 6,253.45 × 6,253.45
  4. Step 4: Simplify right side
    3,948.75x = 39,105,675.99
  5. Step 5: Solve for x
    x = 39,105,675.99/3,948.75
  6. Step 6: Final answer
    x = 9,903.31

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.