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Finding the Third Proportional to 117,619 and 176,695

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Solution

The third proportional to 117,619 and 176,695 is: 265,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619 : 176,695 = 176,695 : x
  2. Step 2: Convert to fraction form
    117,619/176,695 = 176,695/x
  3. Step 3: Cross multiply
    117,619x = 176,695 × 176,695
  4. Step 4: Simplify right side
    117,619x = 31,221,123,025
  5. Step 5: Solve for x
    x = 31,221,123,025/117,619
  6. Step 6: Final answer
    x = 265,442.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.