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Finding the Third Proportional to 87,330,916 and 131,060,310

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Solution

The third proportional to 87,330,916 and 131,060,310 is: 196,686,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330,916 : 131,060,310 = 131,060,310 : x
  2. Step 2: Convert to fraction form
    87,330,916/131,060,310 = 131,060,310/x
  3. Step 3: Cross multiply
    87,330,916x = 131,060,310 × 131,060,310
  4. Step 4: Simplify right side
    87,330,916x = 17,176,804,857,296,100
  5. Step 5: Solve for x
    x = 17,176,804,857,296,100/87,330,916
  6. Step 6: Final answer
    x = 196,686,415.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.