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Finding the Third Proportional to 1,961,659.27 and 4,156,678.27

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Solution

The third proportional to 1,961,659.27 and 4,156,678.27 is: 8,807,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,659.27 : 4,156,678.27 = 4,156,678.27 : x
  2. Step 2: Convert to fraction form
    1,961,659.27/4,156,678.27 = 4,156,678.27/x
  3. Step 3: Cross multiply
    1,961,659.27x = 4,156,678.27 × 4,156,678.27
  4. Step 4: Simplify right side
    1,961,659.27x = 17,277,974,203,919.26
  5. Step 5: Solve for x
    x = 17,277,974,203,919.26/1,961,659.27
  6. Step 6: Final answer
    x = 8,807,836.56

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.