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Finding the Third Proportional to 872,444 and 1,882,372

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Solution

The third proportional to 872,444 and 1,882,372 is: 4,061,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,444 : 1,882,372 = 1,882,372 : x
  2. Step 2: Convert to fraction form
    872,444/1,882,372 = 1,882,372/x
  3. Step 3: Cross multiply
    872,444x = 1,882,372 × 1,882,372
  4. Step 4: Simplify right side
    872,444x = 3,543,324,346,384
  5. Step 5: Solve for x
    x = 3,543,324,346,384/872,444
  6. Step 6: Final answer
    x = 4,061,377.40

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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.