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Finding the Third Proportional to 21,354.75 and 33,402.75

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Solution

The third proportional to 21,354.75 and 33,402.75 is: 52,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,354.75 : 33,402.75 = 33,402.75 : x
  2. Step 2: Convert to fraction form
    21,354.75/33,402.75 = 33,402.75/x
  3. Step 3: Cross multiply
    21,354.75x = 33,402.75 × 33,402.75
  4. Step 4: Simplify right side
    21,354.75x = 1,115,743,707.56
  5. Step 5: Solve for x
    x = 1,115,743,707.56/21,354.75
  6. Step 6: Final answer
    x = 52,248.03

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.