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Finding the Third Proportional to 5,080 and 7,673.75

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Solution

The third proportional to 5,080 and 7,673.75 is: 11,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080 : 7,673.75 = 7,673.75 : x
  2. Step 2: Convert to fraction form
    5,080/7,673.75 = 7,673.75/x
  3. Step 3: Cross multiply
    5,080x = 7,673.75 × 7,673.75
  4. Step 4: Simplify right side
    5,080x = 58,886,439.06
  5. Step 5: Solve for x
    x = 58,886,439.06/5,080
  6. Step 6: Final answer
    x = 11,591.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.