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Finding the Third Proportional to 286,674 and 444,792

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Solution

The third proportional to 286,674 and 444,792 is: 690,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,674 : 444,792 = 444,792 : x
  2. Step 2: Convert to fraction form
    286,674/444,792 = 444,792/x
  3. Step 3: Cross multiply
    286,674x = 444,792 × 444,792
  4. Step 4: Simplify right side
    286,674x = 197,839,923,264
  5. Step 5: Solve for x
    x = 197,839,923,264/286,674
  6. Step 6: Final answer
    x = 690,121.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.