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Finding the Third Proportional to 890,661 and 1,941,165

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Solution

The third proportional to 890,661 and 1,941,165 is: 4,230,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,661 : 1,941,165 = 1,941,165 : x
  2. Step 2: Convert to fraction form
    890,661/1,941,165 = 1,941,165/x
  3. Step 3: Cross multiply
    890,661x = 1,941,165 × 1,941,165
  4. Step 4: Simplify right side
    890,661x = 3,768,121,557,225
  5. Step 5: Solve for x
    x = 3,768,121,557,225/890,661
  6. Step 6: Final answer
    x = 4,230,702.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.