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Finding the Third Proportional to 2,636,878.64 and 3,962,338.59

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Solution

The third proportional to 2,636,878.64 and 3,962,338.59 is: 5,954,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,878.64 : 3,962,338.59 = 3,962,338.59 : x
  2. Step 2: Convert to fraction form
    2,636,878.64/3,962,338.59 = 3,962,338.59/x
  3. Step 3: Cross multiply
    2,636,878.64x = 3,962,338.59 × 3,962,338.59
  4. Step 4: Simplify right side
    2,636,878.64x = 15,700,127,131,520.73
  5. Step 5: Solve for x
    x = 15,700,127,131,520.73/2,636,878.64
  6. Step 6: Final answer
    x = 5,954,057.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.