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Finding the Third Proportional to 168,620 and 252,492

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Solution

The third proportional to 168,620 and 252,492 is: 378,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,620 : 252,492 = 252,492 : x
  2. Step 2: Convert to fraction form
    168,620/252,492 = 252,492/x
  3. Step 3: Cross multiply
    168,620x = 252,492 × 252,492
  4. Step 4: Simplify right side
    168,620x = 63,752,210,064
  5. Step 5: Solve for x
    x = 63,752,210,064/168,620
  6. Step 6: Final answer
    x = 378,082.14

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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.