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Finding the Third Proportional to 168,556 and 253,902

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Solution

The third proportional to 168,556 and 253,902 is: 382,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556 : 253,902 = 253,902 : x
  2. Step 2: Convert to fraction form
    168,556/253,902 = 253,902/x
  3. Step 3: Cross multiply
    168,556x = 253,902 × 253,902
  4. Step 4: Simplify right side
    168,556x = 64,466,225,604
  5. Step 5: Solve for x
    x = 64,466,225,604/168,556
  6. Step 6: Final answer
    x = 382,461.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.