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Finding the Third Proportional to 6,657.75 and 8,683.88

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Solution

The third proportional to 6,657.75 and 8,683.88 is: 11,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.75 : 8,683.88 = 8,683.88 : x
  2. Step 2: Convert to fraction form
    6,657.75/8,683.88 = 8,683.88/x
  3. Step 3: Cross multiply
    6,657.75x = 8,683.88 × 8,683.88
  4. Step 4: Simplify right side
    6,657.75x = 75,409,685.02
  5. Step 5: Solve for x
    x = 75,409,685.02/6,657.75
  6. Step 6: Final answer
    x = 11,326.60

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.