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Finding the Third Proportional to 215,836.88 and 337,844.25

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Solution

The third proportional to 215,836.88 and 337,844.25 is: 528,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,836.88 : 337,844.25 = 337,844.25 : x
  2. Step 2: Convert to fraction form
    215,836.88/337,844.25 = 337,844.25/x
  3. Step 3: Cross multiply
    215,836.88x = 337,844.25 × 337,844.25
  4. Step 4: Simplify right side
    215,836.88x = 114,138,737,258.06
  5. Step 5: Solve for x
    x = 114,138,737,258.06/215,836.88
  6. Step 6: Final answer
    x = 528,819.45

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.