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Finding the Third Proportional to 32,220 and 68,952

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Solution

The third proportional to 32,220 and 68,952 is: 147,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,220 : 68,952 = 68,952 : x
  2. Step 2: Convert to fraction form
    32,220/68,952 = 68,952/x
  3. Step 3: Cross multiply
    32,220x = 68,952 × 68,952
  4. Step 4: Simplify right side
    32,220x = 4,754,378,304
  5. Step 5: Solve for x
    x = 4,754,378,304/32,220
  6. Step 6: Final answer
    x = 147,559.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.