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Finding the Third Proportional to 172,622.25 and 369,231

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Solution

The third proportional to 172,622.25 and 369,231 is: 789,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,622.25 : 369,231 = 369,231 : x
  2. Step 2: Convert to fraction form
    172,622.25/369,231 = 369,231/x
  3. Step 3: Cross multiply
    172,622.25x = 369,231 × 369,231
  4. Step 4: Simplify right side
    172,622.25x = 136,331,531,361
  5. Step 5: Solve for x
    x = 136,331,531,361/172,622.25
  6. Step 6: Final answer
    x = 789,768.01

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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.