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Finding the Third Proportional to 43,818,330 and 68,207,310

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Solution

The third proportional to 43,818,330 and 68,207,310 is: 106,171,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818,330 : 68,207,310 = 68,207,310 : x
  2. Step 2: Convert to fraction form
    43,818,330/68,207,310 = 68,207,310/x
  3. Step 3: Cross multiply
    43,818,330x = 68,207,310 × 68,207,310
  4. Step 4: Simplify right side
    43,818,330x = 4,652,237,137,436,100
  5. Step 5: Solve for x
    x = 4,652,237,137,436,100/43,818,330
  6. Step 6: Final answer
    x = 106,171,027.91

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.