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Finding the Third Proportional to 207,693 and 297,005

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Solution

The third proportional to 207,693 and 297,005 is: 424,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,693 : 297,005 = 297,005 : x
  2. Step 2: Convert to fraction form
    207,693/297,005 = 297,005/x
  3. Step 3: Cross multiply
    207,693x = 297,005 × 297,005
  4. Step 4: Simplify right side
    207,693x = 88,211,970,025
  5. Step 5: Solve for x
    x = 88,211,970,025/207,693
  6. Step 6: Final answer
    x = 424,722.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.