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Finding the Third Proportional to 3,215.25 and 6,957

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Solution

The third proportional to 3,215.25 and 6,957 is: 15,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.25 : 6,957 = 6,957 : x
  2. Step 2: Convert to fraction form
    3,215.25/6,957 = 6,957/x
  3. Step 3: Cross multiply
    3,215.25x = 6,957 × 6,957
  4. Step 4: Simplify right side
    3,215.25x = 48,399,849
  5. Step 5: Solve for x
    x = 48,399,849/3,215.25
  6. Step 6: Final answer
    x = 15,053.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.