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Finding the Third Proportional to 4,862.25 and 7,329.38

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Solution

The third proportional to 4,862.25 and 7,329.38 is: 11,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.25 : 7,329.38 = 7,329.38 : x
  2. Step 2: Convert to fraction form
    4,862.25/7,329.38 = 7,329.38/x
  3. Step 3: Cross multiply
    4,862.25x = 7,329.38 × 7,329.38
  4. Step 4: Simplify right side
    4,862.25x = 53,719,737.89
  5. Step 5: Solve for x
    x = 53,719,737.89/4,862.25
  6. Step 6: Final answer
    x = 11,048.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.