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Finding the Third Proportional to 234,951 and 378,307

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Solution

The third proportional to 234,951 and 378,307 is: 609,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,951 : 378,307 = 378,307 : x
  2. Step 2: Convert to fraction form
    234,951/378,307 = 378,307/x
  3. Step 3: Cross multiply
    234,951x = 378,307 × 378,307
  4. Step 4: Simplify right side
    234,951x = 143,116,186,249
  5. Step 5: Solve for x
    x = 143,116,186,249/234,951
  6. Step 6: Final answer
    x = 609,132.06

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.