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Finding the Third Proportional to 99,324.25 and 215,580.25

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Solution

The third proportional to 99,324.25 and 215,580.25 is: 467,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.25 : 215,580.25 = 215,580.25 : x
  2. Step 2: Convert to fraction form
    99,324.25/215,580.25 = 215,580.25/x
  3. Step 3: Cross multiply
    99,324.25x = 215,580.25 × 215,580.25
  4. Step 4: Simplify right side
    99,324.25x = 46,474,844,190.06
  5. Step 5: Solve for x
    x = 46,474,844,190.06/99,324.25
  6. Step 6: Final answer
    x = 467,910.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.