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Finding the Third Proportional to 205,324 and 445,720

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Solution

The third proportional to 205,324 and 445,720 is: 967,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,324 : 445,720 = 445,720 : x
  2. Step 2: Convert to fraction form
    205,324/445,720 = 445,720/x
  3. Step 3: Cross multiply
    205,324x = 445,720 × 445,720
  4. Step 4: Simplify right side
    205,324x = 198,666,318,400
  5. Step 5: Solve for x
    x = 198,666,318,400/205,324
  6. Step 6: Final answer
    x = 967,574.75

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.