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Finding the Third Proportional to 6,261.75 and 7,863.75

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Solution

The third proportional to 6,261.75 and 7,863.75 is: 9,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.75 : 7,863.75 = 7,863.75 : x
  2. Step 2: Convert to fraction form
    6,261.75/7,863.75 = 7,863.75/x
  3. Step 3: Cross multiply
    6,261.75x = 7,863.75 × 7,863.75
  4. Step 4: Simplify right side
    6,261.75x = 61,838,564.06
  5. Step 5: Solve for x
    x = 61,838,564.06/6,261.75
  6. Step 6: Final answer
    x = 9,875.60

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Why These Related Problems?

These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.