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Finding the Third Proportional to 5,352.75 and 12,281.63

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Solution

The third proportional to 5,352.75 and 12,281.63 is: 28,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.75 : 12,281.63 = 12,281.63 : x
  2. Step 2: Convert to fraction form
    5,352.75/12,281.63 = 12,281.63/x
  3. Step 3: Cross multiply
    5,352.75x = 12,281.63 × 12,281.63
  4. Step 4: Simplify right side
    5,352.75x = 150,838,312.64
  5. Step 5: Solve for x
    x = 150,838,312.64/5,352.75
  6. Step 6: Final answer
    x = 28,179.59

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.