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Finding the Third Proportional to 285,442 and 444,504

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Solution

The third proportional to 285,442 and 444,504 is: 692,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,442 : 444,504 = 444,504 : x
  2. Step 2: Convert to fraction form
    285,442/444,504 = 444,504/x
  3. Step 3: Cross multiply
    285,442x = 444,504 × 444,504
  4. Step 4: Simplify right side
    285,442x = 197,583,806,016
  5. Step 5: Solve for x
    x = 197,583,806,016/285,442
  6. Step 6: Final answer
    x = 692,202.99

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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.