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Finding the Third Proportional to 20,433,129 and 43,642,281

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Solution

The third proportional to 20,433,129 and 43,642,281 is: 93,213,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,129 : 43,642,281 = 43,642,281 : x
  2. Step 2: Convert to fraction form
    20,433,129/43,642,281 = 43,642,281/x
  3. Step 3: Cross multiply
    20,433,129x = 43,642,281 × 43,642,281
  4. Step 4: Simplify right side
    20,433,129x = 1,904,648,690,882,961
  5. Step 5: Solve for x
    x = 1,904,648,690,882,961/20,433,129
  6. Step 6: Final answer
    x = 93,213,755.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.