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Finding the Third Proportional to 165,782 and 361,926

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Solution

The third proportional to 165,782 and 361,926 is: 790,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,782 : 361,926 = 361,926 : x
  2. Step 2: Convert to fraction form
    165,782/361,926 = 361,926/x
  3. Step 3: Cross multiply
    165,782x = 361,926 × 361,926
  4. Step 4: Simplify right side
    165,782x = 130,990,429,476
  5. Step 5: Solve for x
    x = 130,990,429,476/165,782
  6. Step 6: Final answer
    x = 790,136.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.