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Finding the Third Proportional to 1,930,212 and 3,811,981.50

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Solution

The third proportional to 1,930,212 and 3,811,981.50 is: 7,528,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,212 : 3,811,981.50 = 3,811,981.50 : x
  2. Step 2: Convert to fraction form
    1,930,212/3,811,981.50 = 3,811,981.50/x
  3. Step 3: Cross multiply
    1,930,212x = 3,811,981.50 × 3,811,981.50
  4. Step 4: Simplify right side
    1,930,212x = 14,531,202,956,342.25
  5. Step 5: Solve for x
    x = 14,531,202,956,342.25/1,930,212
  6. Step 6: Final answer
    x = 7,528,293.76

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.