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Finding the Third Proportional to 176,536 and 378,336

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Solution

The third proportional to 176,536 and 378,336 is: 810,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,536 : 378,336 = 378,336 : x
  2. Step 2: Convert to fraction form
    176,536/378,336 = 378,336/x
  3. Step 3: Cross multiply
    176,536x = 378,336 × 378,336
  4. Step 4: Simplify right side
    176,536x = 143,138,128,896
  5. Step 5: Solve for x
    x = 143,138,128,896/176,536
  6. Step 6: Final answer
    x = 810,815.52

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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.