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Finding the Third Proportional to 171,674 and 262,615

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Solution

The third proportional to 171,674 and 262,615 is: 401,730.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,674 : 262,615 = 262,615 : x
  2. Step 2: Convert to fraction form
    171,674/262,615 = 262,615/x
  3. Step 3: Cross multiply
    171,674x = 262,615 × 262,615
  4. Step 4: Simplify right side
    171,674x = 68,966,638,225
  5. Step 5: Solve for x
    x = 68,966,638,225/171,674
  6. Step 6: Final answer
    x = 401,730.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.