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Finding the Third Proportional to 7,604 and 8,180

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Solution

The third proportional to 7,604 and 8,180 is: 8,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,604 : 8,180 = 8,180 : x
  2. Step 2: Convert to fraction form
    7,604/8,180 = 8,180/x
  3. Step 3: Cross multiply
    7,604x = 8,180 × 8,180
  4. Step 4: Simplify right side
    7,604x = 66,912,400
  5. Step 5: Solve for x
    x = 66,912,400/7,604
  6. Step 6: Final answer
    x = 8,799.63

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.