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Finding the Third Proportional to 85,908 and 174,232

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Solution

The third proportional to 85,908 and 174,232 is: 353,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,908 : 174,232 = 174,232 : x
  2. Step 2: Convert to fraction form
    85,908/174,232 = 174,232/x
  3. Step 3: Cross multiply
    85,908x = 174,232 × 174,232
  4. Step 4: Simplify right side
    85,908x = 30,356,789,824
  5. Step 5: Solve for x
    x = 30,356,789,824/85,908
  6. Step 6: Final answer
    x = 353,363.95

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.