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Finding the Third Proportional to 3,019.78 and 6,652.55

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Solution

The third proportional to 3,019.78 and 6,652.55 is: 14,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.78 : 6,652.55 = 6,652.55 : x
  2. Step 2: Convert to fraction form
    3,019.78/6,652.55 = 6,652.55/x
  3. Step 3: Cross multiply
    3,019.78x = 6,652.55 × 6,652.55
  4. Step 4: Simplify right side
    3,019.78x = 44,256,379.92
  5. Step 5: Solve for x
    x = 44,256,379.92/3,019.78
  6. Step 6: Final answer
    x = 14,655.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.