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Finding the Third Proportional to 4,813,134 and 7,220,728

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Solution

The third proportional to 4,813,134 and 7,220,728 is: 10,832,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,134 : 7,220,728 = 7,220,728 : x
  2. Step 2: Convert to fraction form
    4,813,134/7,220,728 = 7,220,728/x
  3. Step 3: Cross multiply
    4,813,134x = 7,220,728 × 7,220,728
  4. Step 4: Simplify right side
    4,813,134x = 52,138,912,849,984
  5. Step 5: Solve for x
    x = 52,138,912,849,984/4,813,134
  6. Step 6: Final answer
    x = 10,832,632.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.