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Finding the Third Proportional to 812,544 and 1,723,392

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Solution

The third proportional to 812,544 and 1,723,392 is: 3,655,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,544 : 1,723,392 = 1,723,392 : x
  2. Step 2: Convert to fraction form
    812,544/1,723,392 = 1,723,392/x
  3. Step 3: Cross multiply
    812,544x = 1,723,392 × 1,723,392
  4. Step 4: Simplify right side
    812,544x = 2,970,079,985,664
  5. Step 5: Solve for x
    x = 2,970,079,985,664/812,544
  6. Step 6: Final answer
    x = 3,655,285.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.