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Finding the Third Proportional to 920,718 and 1,998,894

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Solution

The third proportional to 920,718 and 1,998,894 is: 4,339,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,718 : 1,998,894 = 1,998,894 : x
  2. Step 2: Convert to fraction form
    920,718/1,998,894 = 1,998,894/x
  3. Step 3: Cross multiply
    920,718x = 1,998,894 × 1,998,894
  4. Step 4: Simplify right side
    920,718x = 3,995,577,223,236
  5. Step 5: Solve for x
    x = 3,995,577,223,236/920,718
  6. Step 6: Final answer
    x = 4,339,631.92

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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.