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Finding the Third Proportional to 82,057,630.50 and 129,936,129.75

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Solution

The third proportional to 82,057,630.50 and 129,936,129.75 is: 205,750,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057,630.50 : 129,936,129.75 = 129,936,129.75 : x
  2. Step 2: Convert to fraction form
    82,057,630.50/129,936,129.75 = 129,936,129.75/x
  3. Step 3: Cross multiply
    82,057,630.50x = 129,936,129.75 × 129,936,129.75
  4. Step 4: Simplify right side
    82,057,630.50x = 16,883,397,814,408,836
  5. Step 5: Solve for x
    x = 16,883,397,814,408,836/82,057,630.50
  6. Step 6: Final answer
    x = 205,750,491.59

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.