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Finding the Third Proportional to 43,482 and 69,165.75

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Solution

The third proportional to 43,482 and 69,165.75 is: 110,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,482 : 69,165.75 = 69,165.75 : x
  2. Step 2: Convert to fraction form
    43,482/69,165.75 = 69,165.75/x
  3. Step 3: Cross multiply
    43,482x = 69,165.75 × 69,165.75
  4. Step 4: Simplify right side
    43,482x = 4,783,900,973.06
  5. Step 5: Solve for x
    x = 4,783,900,973.06/43,482
  6. Step 6: Final answer
    x = 110,020.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.