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Finding the Third Proportional to 1,243,322 and 1,889,285

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Solution

The third proportional to 1,243,322 and 1,889,285 is: 2,870,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,322 : 1,889,285 = 1,889,285 : x
  2. Step 2: Convert to fraction form
    1,243,322/1,889,285 = 1,889,285/x
  3. Step 3: Cross multiply
    1,243,322x = 1,889,285 × 1,889,285
  4. Step 4: Simplify right side
    1,243,322x = 3,569,397,811,225
  5. Step 5: Solve for x
    x = 3,569,397,811,225/1,243,322
  6. Step 6: Final answer
    x = 2,870,855.51

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.