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Finding the Third Proportional to 20,401,903 and 43,106,535

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Solution

The third proportional to 20,401,903 and 43,106,535 is: 91,078,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,903 : 43,106,535 = 43,106,535 : x
  2. Step 2: Convert to fraction form
    20,401,903/43,106,535 = 43,106,535/x
  3. Step 3: Cross multiply
    20,401,903x = 43,106,535 × 43,106,535
  4. Step 4: Simplify right side
    20,401,903x = 1,858,173,359,706,225
  5. Step 5: Solve for x
    x = 1,858,173,359,706,225/20,401,903
  6. Step 6: Final answer
    x = 91,078,433.21

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.