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Finding the Third Proportional to 80,706,129 and 113,246,679

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Solution

The third proportional to 80,706,129 and 113,246,679 is: 158,907,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,706,129 : 113,246,679 = 113,246,679 : x
  2. Step 2: Convert to fraction form
    80,706,129/113,246,679 = 113,246,679/x
  3. Step 3: Cross multiply
    80,706,129x = 113,246,679 × 113,246,679
  4. Step 4: Simplify right side
    80,706,129x = 12,824,810,304,529,040
  5. Step 5: Solve for x
    x = 12,824,810,304,529,040/80,706,129
  6. Step 6: Final answer
    x = 158,907,513.76

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.