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Finding the Third Proportional to 20,145,984 and 43,166,508

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Solution

The third proportional to 20,145,984 and 43,166,508 is: 92,492,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,984 : 43,166,508 = 43,166,508 : x
  2. Step 2: Convert to fraction form
    20,145,984/43,166,508 = 43,166,508/x
  3. Step 3: Cross multiply
    20,145,984x = 43,166,508 × 43,166,508
  4. Step 4: Simplify right side
    20,145,984x = 1,863,347,412,914,064
  5. Step 5: Solve for x
    x = 1,863,347,412,914,064/20,145,984
  6. Step 6: Final answer
    x = 92,492,251.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.