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Finding the Third Proportional to 20,691,999 and 48,776,787

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Solution

The third proportional to 20,691,999 and 48,776,787 is: 114,980,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,999 : 48,776,787 = 48,776,787 : x
  2. Step 2: Convert to fraction form
    20,691,999/48,776,787 = 48,776,787/x
  3. Step 3: Cross multiply
    20,691,999x = 48,776,787 × 48,776,787
  4. Step 4: Simplify right side
    20,691,999x = 2,379,174,950,043,369
  5. Step 5: Solve for x
    x = 2,379,174,950,043,369/20,691,999
  6. Step 6: Final answer
    x = 114,980,430.36

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.