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Finding the Third Proportional to 3,915 and 6,150.94

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Solution

The third proportional to 3,915 and 6,150.94 is: 9,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915 : 6,150.94 = 6,150.94 : x
  2. Step 2: Convert to fraction form
    3,915/6,150.94 = 6,150.94/x
  3. Step 3: Cross multiply
    3,915x = 6,150.94 × 6,150.94
  4. Step 4: Simplify right side
    3,915x = 37,834,032.13
  5. Step 5: Solve for x
    x = 37,834,032.13/3,915
  6. Step 6: Final answer
    x = 9,663.87

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.