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Finding the Third Proportional to 79,342,976,322 and 172,632,486,636

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Solution

The third proportional to 79,342,976,322 and 172,632,486,636 is: 375,609,497,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342,976,322 : 172,632,486,636 = 172,632,486,636 : x
  2. Step 2: Convert to fraction form
    79,342,976,322/172,632,486,636 = 172,632,486,636/x
  3. Step 3: Cross multiply
    79,342,976,322x = 172,632,486,636 × 172,632,486,636
  4. Step 4: Simplify right side
    79,342,976,322x = 29,801,975,442,128,718,790,656
  5. Step 5: Solve for x
    x = 29,801,975,442,128,718,790,656/79,342,976,322
  6. Step 6: Final answer
    x = 375,609,497,193.33

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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.