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Finding the Third Proportional to 4,037,406.61 and 8,859,518.02

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Solution

The third proportional to 4,037,406.61 and 8,859,518.02 is: 19,440,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,037,406.61 : 8,859,518.02 = 8,859,518.02 : x
  2. Step 2: Convert to fraction form
    4,037,406.61/8,859,518.02 = 8,859,518.02/x
  3. Step 3: Cross multiply
    4,037,406.61x = 8,859,518.02 × 8,859,518.02
  4. Step 4: Simplify right side
    4,037,406.61x = 78,491,059,469,183.94
  5. Step 5: Solve for x
    x = 78,491,059,469,183.94/4,037,406.61
  6. Step 6: Final answer
    x = 19,440,959.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.