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Finding the Third Proportional to 172,010 and 260,607

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Solution

The third proportional to 172,010 and 260,607 is: 394,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,010 : 260,607 = 260,607 : x
  2. Step 2: Convert to fraction form
    172,010/260,607 = 260,607/x
  3. Step 3: Cross multiply
    172,010x = 260,607 × 260,607
  4. Step 4: Simplify right side
    172,010x = 67,916,008,449
  5. Step 5: Solve for x
    x = 67,916,008,449/172,010
  6. Step 6: Final answer
    x = 394,837.56

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.