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Finding the Third Proportional to 411,792 and 889,192

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Solution

The third proportional to 411,792 and 889,192 is: 1,920,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,792 : 889,192 = 889,192 : x
  2. Step 2: Convert to fraction form
    411,792/889,192 = 889,192/x
  3. Step 3: Cross multiply
    411,792x = 889,192 × 889,192
  4. Step 4: Simplify right side
    411,792x = 790,662,412,864
  5. Step 5: Solve for x
    x = 790,662,412,864/411,792
  6. Step 6: Final answer
    x = 1,920,052.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.