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Finding the Third Proportional to 1,515.80 and 2,473.03

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Solution

The third proportional to 1,515.80 and 2,473.03 is: 4,034.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.80 : 2,473.03 = 2,473.03 : x
  2. Step 2: Convert to fraction form
    1,515.80/2,473.03 = 2,473.03/x
  3. Step 3: Cross multiply
    1,515.80x = 2,473.03 × 2,473.03
  4. Step 4: Simplify right side
    1,515.80x = 6,115,883.56
  5. Step 5: Solve for x
    x = 6,115,883.56/1,515.80
  6. Step 6: Final answer
    x = 4,034.76

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.