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Finding the Third Proportional to 3,889.13 and 5,050.69

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Solution

The third proportional to 3,889.13 and 5,050.69 is: 6,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.13 : 5,050.69 = 5,050.69 : x
  2. Step 2: Convert to fraction form
    3,889.13/5,050.69 = 5,050.69/x
  3. Step 3: Cross multiply
    3,889.13x = 5,050.69 × 5,050.69
  4. Step 4: Simplify right side
    3,889.13x = 25,509,444.22
  5. Step 5: Solve for x
    x = 25,509,444.22/3,889.13
  6. Step 6: Final answer
    x = 6,559.17

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.