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Finding the Third Proportional to 195,504 and 428,427

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Solution

The third proportional to 195,504 and 428,427 is: 938,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,504 : 428,427 = 428,427 : x
  2. Step 2: Convert to fraction form
    195,504/428,427 = 428,427/x
  3. Step 3: Cross multiply
    195,504x = 428,427 × 428,427
  4. Step 4: Simplify right side
    195,504x = 183,549,694,329
  5. Step 5: Solve for x
    x = 183,549,694,329/195,504
  6. Step 6: Final answer
    x = 938,853.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.