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Finding the Third Proportional to 813,815 and 1,767,733

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Solution

The third proportional to 813,815 and 1,767,733 is: 3,839,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,815 : 1,767,733 = 1,767,733 : x
  2. Step 2: Convert to fraction form
    813,815/1,767,733 = 1,767,733/x
  3. Step 3: Cross multiply
    813,815x = 1,767,733 × 1,767,733
  4. Step 4: Simplify right side
    813,815x = 3,124,879,959,289
  5. Step 5: Solve for x
    x = 3,124,879,959,289/813,815
  6. Step 6: Final answer
    x = 3,839,791.55

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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.