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Finding the Third Proportional to 4,880.25 and 7,567.88

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Solution

The third proportional to 4,880.25 and 7,567.88 is: 11,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.25 : 7,567.88 = 7,567.88 : x
  2. Step 2: Convert to fraction form
    4,880.25/7,567.88 = 7,567.88/x
  3. Step 3: Cross multiply
    4,880.25x = 7,567.88 × 7,567.88
  4. Step 4: Simplify right side
    4,880.25x = 57,272,732.02
  5. Step 5: Solve for x
    x = 57,272,732.02/4,880.25
  6. Step 6: Final answer
    x = 11,735.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.