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Finding the Third Proportional to 25,319.50 and 54,533

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Solution

The third proportional to 25,319.50 and 54,533 is: 117,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.50 : 54,533 = 54,533 : x
  2. Step 2: Convert to fraction form
    25,319.50/54,533 = 54,533/x
  3. Step 3: Cross multiply
    25,319.50x = 54,533 × 54,533
  4. Step 4: Simplify right side
    25,319.50x = 2,973,848,089
  5. Step 5: Solve for x
    x = 2,973,848,089/25,319.50
  6. Step 6: Final answer
    x = 117,452.88

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.