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Finding the Third Proportional to 84,523.50 and 131,629.50

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Solution

The third proportional to 84,523.50 and 131,629.50 is: 204,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,523.50 : 131,629.50 = 131,629.50 : x
  2. Step 2: Convert to fraction form
    84,523.50/131,629.50 = 131,629.50/x
  3. Step 3: Cross multiply
    84,523.50x = 131,629.50 × 131,629.50
  4. Step 4: Simplify right side
    84,523.50x = 17,326,325,270.25
  5. Step 5: Solve for x
    x = 17,326,325,270.25/84,523.50
  6. Step 6: Final answer
    x = 204,988.26

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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.