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Finding the Third Proportional to 5,381,330.87 and 8,282,622.73

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Solution

The third proportional to 5,381,330.87 and 8,282,622.73 is: 12,748,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,330.87 : 8,282,622.73 = 8,282,622.73 : x
  2. Step 2: Convert to fraction form
    5,381,330.87/8,282,622.73 = 8,282,622.73/x
  3. Step 3: Cross multiply
    5,381,330.87x = 8,282,622.73 × 8,282,622.73
  4. Step 4: Simplify right side
    5,381,330.87x = 68,601,839,230,569.62
  5. Step 5: Solve for x
    x = 68,601,839,230,569.62/5,381,330.87
  6. Step 6: Final answer
    x = 12,748,117.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.