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Finding the Third Proportional to 780,167 and 1,676,718

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Solution

The third proportional to 780,167 and 1,676,718 is: 3,603,565.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,167 : 1,676,718 = 1,676,718 : x
  2. Step 2: Convert to fraction form
    780,167/1,676,718 = 1,676,718/x
  3. Step 3: Cross multiply
    780,167x = 1,676,718 × 1,676,718
  4. Step 4: Simplify right side
    780,167x = 2,811,383,251,524
  5. Step 5: Solve for x
    x = 2,811,383,251,524/780,167
  6. Step 6: Final answer
    x = 3,603,565.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.