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Finding the Third Proportional to 20,121,540.75 and 43,645,770

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Solution

The third proportional to 20,121,540.75 and 43,645,770 is: 94,672,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,540.75 : 43,645,770 = 43,645,770 : x
  2. Step 2: Convert to fraction form
    20,121,540.75/43,645,770 = 43,645,770/x
  3. Step 3: Cross multiply
    20,121,540.75x = 43,645,770 × 43,645,770
  4. Step 4: Simplify right side
    20,121,540.75x = 1,904,953,238,892,900
  5. Step 5: Solve for x
    x = 1,904,953,238,892,900/20,121,540.75
  6. Step 6: Final answer
    x = 94,672,334.62

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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.