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Finding the Third Proportional to 238,372 and 353,436

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Solution

The third proportional to 238,372 and 353,436 is: 524,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,372 : 353,436 = 353,436 : x
  2. Step 2: Convert to fraction form
    238,372/353,436 = 353,436/x
  3. Step 3: Cross multiply
    238,372x = 353,436 × 353,436
  4. Step 4: Simplify right side
    238,372x = 124,917,006,096
  5. Step 5: Solve for x
    x = 124,917,006,096/238,372
  6. Step 6: Final answer
    x = 524,042.28

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.