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Finding the Third Proportional to 176,436 and 416,439

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Solution

The third proportional to 176,436 and 416,439 is: 982,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,436 : 416,439 = 416,439 : x
  2. Step 2: Convert to fraction form
    176,436/416,439 = 416,439/x
  3. Step 3: Cross multiply
    176,436x = 416,439 × 416,439
  4. Step 4: Simplify right side
    176,436x = 173,421,440,721
  5. Step 5: Solve for x
    x = 173,421,440,721/176,436
  6. Step 6: Final answer
    x = 982,914.15

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.