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Finding the Third Proportional to 263,206 and 376,395

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Solution

The third proportional to 263,206 and 376,395 is: 538,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,206 : 376,395 = 376,395 : x
  2. Step 2: Convert to fraction form
    263,206/376,395 = 376,395/x
  3. Step 3: Cross multiply
    263,206x = 376,395 × 376,395
  4. Step 4: Simplify right side
    263,206x = 141,673,196,025
  5. Step 5: Solve for x
    x = 141,673,196,025/263,206
  6. Step 6: Final answer
    x = 538,259.75

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.