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Finding the Third Proportional to 8,684,474.75 and 12,774,105.75

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Solution

The third proportional to 8,684,474.75 and 12,774,105.75 is: 18,789,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684,474.75 : 12,774,105.75 = 12,774,105.75 : x
  2. Step 2: Convert to fraction form
    8,684,474.75/12,774,105.75 = 12,774,105.75/x
  3. Step 3: Cross multiply
    8,684,474.75x = 12,774,105.75 × 12,774,105.75
  4. Step 4: Simplify right side
    8,684,474.75x = 163,177,777,712,183.06
  5. Step 5: Solve for x
    x = 163,177,777,712,183.06/8,684,474.75
  6. Step 6: Final answer
    x = 18,789,596.65

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.