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Finding the Third Proportional to 4,479.75 and 6,545.81

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Solution

The third proportional to 4,479.75 and 6,545.81 is: 9,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.75 : 6,545.81 = 6,545.81 : x
  2. Step 2: Convert to fraction form
    4,479.75/6,545.81 = 6,545.81/x
  3. Step 3: Cross multiply
    4,479.75x = 6,545.81 × 6,545.81
  4. Step 4: Simplify right side
    4,479.75x = 42,847,661.29
  5. Step 5: Solve for x
    x = 42,847,661.29/4,479.75
  6. Step 6: Final answer
    x = 9,564.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.