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Finding the Third Proportional to 176,865 and 381,740

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Solution

The third proportional to 176,865 and 381,740 is: 823,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,865 : 381,740 = 381,740 : x
  2. Step 2: Convert to fraction form
    176,865/381,740 = 381,740/x
  3. Step 3: Cross multiply
    176,865x = 381,740 × 381,740
  4. Step 4: Simplify right side
    176,865x = 145,725,427,600
  5. Step 5: Solve for x
    x = 145,725,427,600/176,865
  6. Step 6: Final answer
    x = 823,935.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.