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Finding the Third Proportional to 32,196 and 68,268

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Solution

The third proportional to 32,196 and 68,268 is: 144,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,196 : 68,268 = 68,268 : x
  2. Step 2: Convert to fraction form
    32,196/68,268 = 68,268/x
  3. Step 3: Cross multiply
    32,196x = 68,268 × 68,268
  4. Step 4: Simplify right side
    32,196x = 4,660,519,824
  5. Step 5: Solve for x
    x = 4,660,519,824/32,196
  6. Step 6: Final answer
    x = 144,754.62

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.