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Finding the Third Proportional to 83,916,579 and 126,645,940.50

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Solution

The third proportional to 83,916,579 and 126,645,940.50 is: 191,132,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,916,579 : 126,645,940.50 = 126,645,940.50 : x
  2. Step 2: Convert to fraction form
    83,916,579/126,645,940.50 = 126,645,940.50/x
  3. Step 3: Cross multiply
    83,916,579x = 126,645,940.50 × 126,645,940.50
  4. Step 4: Simplify right side
    83,916,579x = 16,039,194,245,129,540
  5. Step 5: Solve for x
    x = 16,039,194,245,129,540/83,916,579
  6. Step 6: Final answer
    x = 191,132,603.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.