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Finding the Third Proportional to 172,624 and 369,235

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Solution

The third proportional to 172,624 and 369,235 is: 789,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,624 : 369,235 = 369,235 : x
  2. Step 2: Convert to fraction form
    172,624/369,235 = 369,235/x
  3. Step 3: Cross multiply
    172,624x = 369,235 × 369,235
  4. Step 4: Simplify right side
    172,624x = 136,334,485,225
  5. Step 5: Solve for x
    x = 136,334,485,225/172,624
  6. Step 6: Final answer
    x = 789,777.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.