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Finding the Third Proportional to 3,089.81 and 6,589.69

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Solution

The third proportional to 3,089.81 and 6,589.69 is: 14,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.81 : 6,589.69 = 6,589.69 : x
  2. Step 2: Convert to fraction form
    3,089.81/6,589.69 = 6,589.69/x
  3. Step 3: Cross multiply
    3,089.81x = 6,589.69 × 6,589.69
  4. Step 4: Simplify right side
    3,089.81x = 43,423,981.35
  5. Step 5: Solve for x
    x = 43,423,981.35/3,089.81
  6. Step 6: Final answer
    x = 14,053.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.