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Finding the Third Proportional to 3,237.75 and 4,385.25

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Solution

The third proportional to 3,237.75 and 4,385.25 is: 5,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.75 : 4,385.25 = 4,385.25 : x
  2. Step 2: Convert to fraction form
    3,237.75/4,385.25 = 4,385.25/x
  3. Step 3: Cross multiply
    3,237.75x = 4,385.25 × 4,385.25
  4. Step 4: Simplify right side
    3,237.75x = 19,230,417.56
  5. Step 5: Solve for x
    x = 19,230,417.56/3,237.75
  6. Step 6: Final answer
    x = 5,939.44

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.