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Finding the Third Proportional to 212,865.75 and 327,284.63

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Solution

The third proportional to 212,865.75 and 327,284.63 is: 503,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,865.75 : 327,284.63 = 327,284.63 : x
  2. Step 2: Convert to fraction form
    212,865.75/327,284.63 = 327,284.63/x
  3. Step 3: Cross multiply
    212,865.75x = 327,284.63 × 327,284.63
  4. Step 4: Simplify right side
    212,865.75x = 107,115,225,761.39
  5. Step 5: Solve for x
    x = 107,115,225,761.39/212,865.75
  6. Step 6: Final answer
    x = 503,205.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.