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Finding the Third Proportional to 20,121,366 and 43,645,427

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Solution

The third proportional to 20,121,366 and 43,645,427 is: 94,671,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,366 : 43,645,427 = 43,645,427 : x
  2. Step 2: Convert to fraction form
    20,121,366/43,645,427 = 43,645,427/x
  3. Step 3: Cross multiply
    20,121,366x = 43,645,427 × 43,645,427
  4. Step 4: Simplify right side
    20,121,366x = 1,904,923,298,012,329
  5. Step 5: Solve for x
    x = 1,904,923,298,012,329/20,121,366
  6. Step 6: Final answer
    x = 94,671,668.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.