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Finding the Third Proportional to 43,431,510.50 and 90,435,516.50

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Solution

The third proportional to 43,431,510.50 and 90,435,516.50 is: 188,309,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431,510.50 : 90,435,516.50 = 90,435,516.50 : x
  2. Step 2: Convert to fraction form
    43,431,510.50/90,435,516.50 = 90,435,516.50/x
  3. Step 3: Cross multiply
    43,431,510.50x = 90,435,516.50 × 90,435,516.50
  4. Step 4: Simplify right side
    43,431,510.50x = 8,178,582,644,621,772
  5. Step 5: Solve for x
    x = 8,178,582,644,621,772/43,431,510.50
  6. Step 6: Final answer
    x = 188,309,882.63

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.