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Finding the Third Proportional to 16,776,400 and 36,294,812

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Solution

The third proportional to 16,776,400 and 36,294,812 is: 78,521,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776,400 : 36,294,812 = 36,294,812 : x
  2. Step 2: Convert to fraction form
    16,776,400/36,294,812 = 36,294,812/x
  3. Step 3: Cross multiply
    16,776,400x = 36,294,812 × 36,294,812
  4. Step 4: Simplify right side
    16,776,400x = 1,317,313,378,115,344
  5. Step 5: Solve for x
    x = 1,317,313,378,115,344/16,776,400
  6. Step 6: Final answer
    x = 78,521,815.06

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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.