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Finding the Third Proportional to 13,997,166 and 20,015,967

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Solution

The third proportional to 13,997,166 and 20,015,967 is: 28,622,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,166 : 20,015,967 = 20,015,967 : x
  2. Step 2: Convert to fraction form
    13,997,166/20,015,967 = 20,015,967/x
  3. Step 3: Cross multiply
    13,997,166x = 20,015,967 × 20,015,967
  4. Step 4: Simplify right side
    13,997,166x = 400,638,934,945,089
  5. Step 5: Solve for x
    x = 400,638,934,945,089/13,997,166
  6. Step 6: Final answer
    x = 28,622,860.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.