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Finding the Third Proportional to 5,228.30 and 6,657.82

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Solution

The third proportional to 5,228.30 and 6,657.82 is: 8,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.30 : 6,657.82 = 6,657.82 : x
  2. Step 2: Convert to fraction form
    5,228.30/6,657.82 = 6,657.82/x
  3. Step 3: Cross multiply
    5,228.30x = 6,657.82 × 6,657.82
  4. Step 4: Simplify right side
    5,228.30x = 44,326,571.31
  5. Step 5: Solve for x
    x = 44,326,571.31/5,228.30
  6. Step 6: Final answer
    x = 8,478.20

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.