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Finding the Third Proportional to 8,517,630.94 and 18,576,838.69

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Solution

The third proportional to 8,517,630.94 and 18,576,838.69 is: 40,515,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,630.94 : 18,576,838.69 = 18,576,838.69 : x
  2. Step 2: Convert to fraction form
    8,517,630.94/18,576,838.69 = 18,576,838.69/x
  3. Step 3: Cross multiply
    8,517,630.94x = 18,576,838.69 × 18,576,838.69
  4. Step 4: Simplify right side
    8,517,630.94x = 345,098,935,621,396.75
  5. Step 5: Solve for x
    x = 345,098,935,621,396.75/8,517,630.94
  6. Step 6: Final answer
    x = 40,515,835.70

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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.