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Finding the Third Proportional to 28,242,697,544 and 61,449,761,116

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Solution

The third proportional to 28,242,697,544 and 61,449,761,116 is: 133,700,866,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,697,544 : 61,449,761,116 = 61,449,761,116 : x
  2. Step 2: Convert to fraction form
    28,242,697,544/61,449,761,116 = 61,449,761,116/x
  3. Step 3: Cross multiply
    28,242,697,544x = 61,449,761,116 × 61,449,761,116
  4. Step 4: Simplify right side
    28,242,697,544x = 3,776,073,141,213,465,673,728
  5. Step 5: Solve for x
    x = 3,776,073,141,213,465,673,728/28,242,697,544
  6. Step 6: Final answer
    x = 133,700,866,757.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.