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Finding the Third Proportional to 285,422 and 444,474.50

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Solution

The third proportional to 285,422 and 444,474.50 is: 692,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,422 : 444,474.50 = 444,474.50 : x
  2. Step 2: Convert to fraction form
    285,422/444,474.50 = 444,474.50/x
  3. Step 3: Cross multiply
    285,422x = 444,474.50 × 444,474.50
  4. Step 4: Simplify right side
    285,422x = 197,557,581,150.25
  5. Step 5: Solve for x
    x = 197,557,581,150.25/285,422
  6. Step 6: Final answer
    x = 692,159.61

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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.