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Finding the Third Proportional to 21,579.75 and 34,352.44

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Solution

The third proportional to 21,579.75 and 34,352.44 is: 54,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.75 : 34,352.44 = 34,352.44 : x
  2. Step 2: Convert to fraction form
    21,579.75/34,352.44 = 34,352.44/x
  3. Step 3: Cross multiply
    21,579.75x = 34,352.44 × 34,352.44
  4. Step 4: Simplify right side
    21,579.75x = 1,180,089,962.19
  5. Step 5: Solve for x
    x = 1,180,089,962.19/21,579.75
  6. Step 6: Final answer
    x = 54,685.06

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.