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Finding the Third Proportional to 1,503 and 3,237.19

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Solution

The third proportional to 1,503 and 3,237.19 is: 6,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503 : 3,237.19 = 3,237.19 : x
  2. Step 2: Convert to fraction form
    1,503/3,237.19 = 3,237.19/x
  3. Step 3: Cross multiply
    1,503x = 3,237.19 × 3,237.19
  4. Step 4: Simplify right side
    1,503x = 10,479,382.91
  5. Step 5: Solve for x
    x = 10,479,382.91/1,503
  6. Step 6: Final answer
    x = 6,972.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.