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Finding the Third Proportional to 40,701 and 83,838

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Solution

The third proportional to 40,701 and 83,838 is: 172,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701 : 83,838 = 83,838 : x
  2. Step 2: Convert to fraction form
    40,701/83,838 = 83,838/x
  3. Step 3: Cross multiply
    40,701x = 83,838 × 83,838
  4. Step 4: Simplify right side
    40,701x = 7,028,810,244
  5. Step 5: Solve for x
    x = 7,028,810,244/40,701
  6. Step 6: Final answer
    x = 172,693.80

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.