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Finding the Third Proportional to 13,997,155 and 20,015,956

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Solution

The third proportional to 13,997,155 and 20,015,956 is: 28,622,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,155 : 20,015,956 = 20,015,956 : x
  2. Step 2: Convert to fraction form
    13,997,155/20,015,956 = 20,015,956/x
  3. Step 3: Cross multiply
    13,997,155x = 20,015,956 × 20,015,956
  4. Step 4: Simplify right side
    13,997,155x = 400,638,494,593,936
  5. Step 5: Solve for x
    x = 400,638,494,593,936/13,997,155
  6. Step 6: Final answer
    x = 28,622,851.90

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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.