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Finding the Third Proportional to 843,482 and 1,821,868

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Solution

The third proportional to 843,482 and 1,821,868 is: 3,935,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,482 : 1,821,868 = 1,821,868 : x
  2. Step 2: Convert to fraction form
    843,482/1,821,868 = 1,821,868/x
  3. Step 3: Cross multiply
    843,482x = 1,821,868 × 1,821,868
  4. Step 4: Simplify right side
    843,482x = 3,319,203,009,424
  5. Step 5: Solve for x
    x = 3,319,203,009,424/843,482
  6. Step 6: Final answer
    x = 3,935,120.14

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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.