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Finding the Third Proportional to 187,694,562 and 392,550,108

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Solution

The third proportional to 187,694,562 and 392,550,108 is: 820,991,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,694,562 : 392,550,108 = 392,550,108 : x
  2. Step 2: Convert to fraction form
    187,694,562/392,550,108 = 392,550,108/x
  3. Step 3: Cross multiply
    187,694,562x = 392,550,108 × 392,550,108
  4. Step 4: Simplify right side
    187,694,562x = 154,095,587,290,811,648
  5. Step 5: Solve for x
    x = 154,095,587,290,811,648/187,694,562
  6. Step 6: Final answer
    x = 820,991,219.19

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.