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Finding the Third Proportional to 385,520 and 835,393

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Solution

The third proportional to 385,520 and 835,393 is: 1,810,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,520 : 835,393 = 835,393 : x
  2. Step 2: Convert to fraction form
    385,520/835,393 = 835,393/x
  3. Step 3: Cross multiply
    385,520x = 835,393 × 835,393
  4. Step 4: Simplify right side
    385,520x = 697,881,464,449
  5. Step 5: Solve for x
    x = 697,881,464,449/385,520
  6. Step 6: Final answer
    x = 1,810,234.14

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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.