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Finding the Third Proportional to 2,765 and 4,151.50

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Solution

The third proportional to 2,765 and 4,151.50 is: 6,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765 : 4,151.50 = 4,151.50 : x
  2. Step 2: Convert to fraction form
    2,765/4,151.50 = 4,151.50/x
  3. Step 3: Cross multiply
    2,765x = 4,151.50 × 4,151.50
  4. Step 4: Simplify right side
    2,765x = 17,234,952.25
  5. Step 5: Solve for x
    x = 17,234,952.25/2,765
  6. Step 6: Final answer
    x = 6,233.26

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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.