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Finding the Third Proportional to 20,153,918 and 41,153,760

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Solution

The third proportional to 20,153,918 and 41,153,760 is: 84,034,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153,918 : 41,153,760 = 41,153,760 : x
  2. Step 2: Convert to fraction form
    20,153,918/41,153,760 = 41,153,760/x
  3. Step 3: Cross multiply
    20,153,918x = 41,153,760 × 41,153,760
  4. Step 4: Simplify right side
    20,153,918x = 1,693,631,962,137,600
  5. Step 5: Solve for x
    x = 1,693,631,962,137,600/20,153,918
  6. Step 6: Final answer
    x = 84,034,874.12

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.