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Finding the Third Proportional to 3,143,245.50 and 6,903,721.13

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Solution

The third proportional to 3,143,245.50 and 6,903,721.13 is: 15,163,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,245.50 : 6,903,721.13 = 6,903,721.13 : x
  2. Step 2: Convert to fraction form
    3,143,245.50/6,903,721.13 = 6,903,721.13/x
  3. Step 3: Cross multiply
    3,143,245.50x = 6,903,721.13 × 6,903,721.13
  4. Step 4: Simplify right side
    3,143,245.50x = 47,661,365,371,771.27
  5. Step 5: Solve for x
    x = 47,661,365,371,771.27/3,143,245.50
  6. Step 6: Final answer
    x = 15,163,106.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.