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Finding the Third Proportional to 161,336 and 247,575

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Solution

The third proportional to 161,336 and 247,575 is: 379,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,336 : 247,575 = 247,575 : x
  2. Step 2: Convert to fraction form
    161,336/247,575 = 247,575/x
  3. Step 3: Cross multiply
    161,336x = 247,575 × 247,575
  4. Step 4: Simplify right side
    161,336x = 61,293,380,625
  5. Step 5: Solve for x
    x = 61,293,380,625/161,336
  6. Step 6: Final answer
    x = 379,911.37

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.