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Finding the Third Proportional to 32,670 and 71,268

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Solution

The third proportional to 32,670 and 71,268 is: 155,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,670 : 71,268 = 71,268 : x
  2. Step 2: Convert to fraction form
    32,670/71,268 = 71,268/x
  3. Step 3: Cross multiply
    32,670x = 71,268 × 71,268
  4. Step 4: Simplify right side
    32,670x = 5,079,127,824
  5. Step 5: Solve for x
    x = 5,079,127,824/32,670
  6. Step 6: Final answer
    x = 155,467.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.