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Finding the Third Proportional to 77,204,022 and 159,761,820

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Solution

The third proportional to 77,204,022 and 159,761,820 is: 330,602,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204,022 : 159,761,820 = 159,761,820 : x
  2. Step 2: Convert to fraction form
    77,204,022/159,761,820 = 159,761,820/x
  3. Step 3: Cross multiply
    77,204,022x = 159,761,820 × 159,761,820
  4. Step 4: Simplify right side
    77,204,022x = 25,523,839,129,712,400
  5. Step 5: Solve for x
    x = 25,523,839,129,712,400/77,204,022
  6. Step 6: Final answer
    x = 330,602,453.97

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.