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Finding the Third Proportional to 5,158.69 and 6,118.03

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Solution

The third proportional to 5,158.69 and 6,118.03 is: 7,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.69 : 6,118.03 = 6,118.03 : x
  2. Step 2: Convert to fraction form
    5,158.69/6,118.03 = 6,118.03/x
  3. Step 3: Cross multiply
    5,158.69x = 6,118.03 × 6,118.03
  4. Step 4: Simplify right side
    5,158.69x = 37,430,306.38
  5. Step 5: Solve for x
    x = 37,430,306.38/5,158.69
  6. Step 6: Final answer
    x = 7,255.78

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Why These Related Problems?

These problems maintain the same ratio (1.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.