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Finding the Third Proportional to 20,121,569 and 43,645,828

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Solution

The third proportional to 20,121,569 and 43,645,828 is: 94,672,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,569 : 43,645,828 = 43,645,828 : x
  2. Step 2: Convert to fraction form
    20,121,569/43,645,828 = 43,645,828/x
  3. Step 3: Cross multiply
    20,121,569x = 43,645,828 × 43,645,828
  4. Step 4: Simplify right side
    20,121,569x = 1,904,958,301,805,584
  5. Step 5: Solve for x
    x = 1,904,958,301,805,584/20,121,569
  6. Step 6: Final answer
    x = 94,672,453.32

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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.