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Finding the Third Proportional to 1,286,750 and 1,892,661

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Solution

The third proportional to 1,286,750 and 1,892,661 is: 2,783,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,750 : 1,892,661 = 1,892,661 : x
  2. Step 2: Convert to fraction form
    1,286,750/1,892,661 = 1,892,661/x
  3. Step 3: Cross multiply
    1,286,750x = 1,892,661 × 1,892,661
  4. Step 4: Simplify right side
    1,286,750x = 3,582,165,660,921
  5. Step 5: Solve for x
    x = 3,582,165,660,921/1,286,750
  6. Step 6: Final answer
    x = 2,783,886.27

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.