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Finding the Third Proportional to 3,220 and 6,952

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Solution

The third proportional to 3,220 and 6,952 is: 15,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220 : 6,952 = 6,952 : x
  2. Step 2: Convert to fraction form
    3,220/6,952 = 6,952/x
  3. Step 3: Cross multiply
    3,220x = 6,952 × 6,952
  4. Step 4: Simplify right side
    3,220x = 48,330,304
  5. Step 5: Solve for x
    x = 48,330,304/3,220
  6. Step 6: Final answer
    x = 15,009.41

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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.