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Finding the Third Proportional to 3,187,782 and 6,879,324

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Solution

The third proportional to 3,187,782 and 6,879,324 is: 14,845,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,782 : 6,879,324 = 6,879,324 : x
  2. Step 2: Convert to fraction form
    3,187,782/6,879,324 = 6,879,324/x
  3. Step 3: Cross multiply
    3,187,782x = 6,879,324 × 6,879,324
  4. Step 4: Simplify right side
    3,187,782x = 47,325,098,696,976
  5. Step 5: Solve for x
    x = 47,325,098,696,976/3,187,782
  6. Step 6: Final answer
    x = 14,845,776.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.