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Finding the Third Proportional to 813,812 and 1,767,731

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Solution

The third proportional to 813,812 and 1,767,731 is: 3,839,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,812 : 1,767,731 = 1,767,731 : x
  2. Step 2: Convert to fraction form
    813,812/1,767,731 = 1,767,731/x
  3. Step 3: Cross multiply
    813,812x = 1,767,731 × 1,767,731
  4. Step 4: Simplify right side
    813,812x = 3,124,872,888,361
  5. Step 5: Solve for x
    x = 3,124,872,888,361/813,812
  6. Step 6: Final answer
    x = 3,839,797.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.