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Finding the Third Proportional to 3,446,563.45 and 7,499,378.67

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Solution

The third proportional to 3,446,563.45 and 7,499,378.67 is: 16,317,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446,563.45 : 7,499,378.67 = 7,499,378.67 : x
  2. Step 2: Convert to fraction form
    3,446,563.45/7,499,378.67 = 7,499,378.67/x
  3. Step 3: Cross multiply
    3,446,563.45x = 7,499,378.67 × 7,499,378.67
  4. Step 4: Simplify right side
    3,446,563.45x = 56,240,680,464,173.64
  5. Step 5: Solve for x
    x = 56,240,680,464,173.64/3,446,563.45
  6. Step 6: Final answer
    x = 16,317,900.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.