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Finding the Third Proportional to 2,328.75 and 2,545.17

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Solution

The third proportional to 2,328.75 and 2,545.17 is: 2,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.75 : 2,545.17 = 2,545.17 : x
  2. Step 2: Convert to fraction form
    2,328.75/2,545.17 = 2,545.17/x
  3. Step 3: Cross multiply
    2,328.75x = 2,545.17 × 2,545.17
  4. Step 4: Simplify right side
    2,328.75x = 6,477,899.87
  5. Step 5: Solve for x
    x = 6,477,899.87/2,328.75
  6. Step 6: Final answer
    x = 2,781.71

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.