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Finding the Third Proportional to 3,113,781 and 4,382,974.50

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Solution

The third proportional to 3,113,781 and 4,382,974.50 is: 6,169,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,781 : 4,382,974.50 = 4,382,974.50 : x
  2. Step 2: Convert to fraction form
    3,113,781/4,382,974.50 = 4,382,974.50/x
  3. Step 3: Cross multiply
    3,113,781x = 4,382,974.50 × 4,382,974.50
  4. Step 4: Simplify right side
    3,113,781x = 19,210,465,467,650.25
  5. Step 5: Solve for x
    x = 19,210,465,467,650.25/3,113,781
  6. Step 6: Final answer
    x = 6,169,497.94

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.