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Finding the Third Proportional to 3,393,726 and 4,747,155

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Solution

The third proportional to 3,393,726 and 4,747,155 is: 6,640,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,726 : 4,747,155 = 4,747,155 : x
  2. Step 2: Convert to fraction form
    3,393,726/4,747,155 = 4,747,155/x
  3. Step 3: Cross multiply
    3,393,726x = 4,747,155 × 4,747,155
  4. Step 4: Simplify right side
    3,393,726x = 22,535,480,594,025
  5. Step 5: Solve for x
    x = 22,535,480,594,025/3,393,726
  6. Step 6: Final answer
    x = 6,640,335.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.