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Finding the Third Proportional to 5,151 and 7,276.50

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Solution

The third proportional to 5,151 and 7,276.50 is: 10,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151 : 7,276.50 = 7,276.50 : x
  2. Step 2: Convert to fraction form
    5,151/7,276.50 = 7,276.50/x
  3. Step 3: Cross multiply
    5,151x = 7,276.50 × 7,276.50
  4. Step 4: Simplify right side
    5,151x = 52,947,452.25
  5. Step 5: Solve for x
    x = 52,947,452.25/5,151
  6. Step 6: Final answer
    x = 10,279.06

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.