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Finding the Third Proportional to 21,971.25 and 33,999.75

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Solution

The third proportional to 21,971.25 and 33,999.75 is: 52,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.25 : 33,999.75 = 33,999.75 : x
  2. Step 2: Convert to fraction form
    21,971.25/33,999.75 = 33,999.75/x
  3. Step 3: Cross multiply
    21,971.25x = 33,999.75 × 33,999.75
  4. Step 4: Simplify right side
    21,971.25x = 1,155,983,000.06
  5. Step 5: Solve for x
    x = 1,155,983,000.06/21,971.25
  6. Step 6: Final answer
    x = 52,613.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.