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Finding the Third Proportional to 39,968 and 43,808

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Solution

The third proportional to 39,968 and 43,808 is: 48,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968 : 43,808 = 43,808 : x
  2. Step 2: Convert to fraction form
    39,968/43,808 = 43,808/x
  3. Step 3: Cross multiply
    39,968x = 43,808 × 43,808
  4. Step 4: Simplify right side
    39,968x = 1,919,140,864
  5. Step 5: Solve for x
    x = 1,919,140,864/39,968
  6. Step 6: Final answer
    x = 48,016.94

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.