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Finding the Third Proportional to 4,722.75 and 7,014.38

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Solution

The third proportional to 4,722.75 and 7,014.38 is: 10,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.75 : 7,014.38 = 7,014.38 : x
  2. Step 2: Convert to fraction form
    4,722.75/7,014.38 = 7,014.38/x
  3. Step 3: Cross multiply
    4,722.75x = 7,014.38 × 7,014.38
  4. Step 4: Simplify right side
    4,722.75x = 49,201,456.64
  5. Step 5: Solve for x
    x = 49,201,456.64/4,722.75
  6. Step 6: Final answer
    x = 10,417.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.