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Finding the Third Proportional to 4,878 and 11,797.88

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Solution

The third proportional to 4,878 and 11,797.88 is: 28,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878 : 11,797.88 = 11,797.88 : x
  2. Step 2: Convert to fraction form
    4,878/11,797.88 = 11,797.88/x
  3. Step 3: Cross multiply
    4,878x = 11,797.88 × 11,797.88
  4. Step 4: Simplify right side
    4,878x = 139,189,854.52
  5. Step 5: Solve for x
    x = 139,189,854.52/4,878
  6. Step 6: Final answer
    x = 28,534.21

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.