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Finding the Third Proportional to 7,176.75 and 10,772.63

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Solution

The third proportional to 7,176.75 and 10,772.63 is: 16,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.75 : 10,772.63 = 10,772.63 : x
  2. Step 2: Convert to fraction form
    7,176.75/10,772.63 = 10,772.63/x
  3. Step 3: Cross multiply
    7,176.75x = 10,772.63 × 10,772.63
  4. Step 4: Simplify right side
    7,176.75x = 116,049,449.39
  5. Step 5: Solve for x
    x = 116,049,449.39/7,176.75
  6. Step 6: Final answer
    x = 16,170.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.