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Finding the Third Proportional to 168,156 and 252,855

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Solution

The third proportional to 168,156 and 252,855 is: 380,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156 : 252,855 = 252,855 : x
  2. Step 2: Convert to fraction form
    168,156/252,855 = 252,855/x
  3. Step 3: Cross multiply
    168,156x = 252,855 × 252,855
  4. Step 4: Simplify right side
    168,156x = 63,935,651,025
  5. Step 5: Solve for x
    x = 63,935,651,025/168,156
  6. Step 6: Final answer
    x = 380,216.29

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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.