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Finding the Third Proportional to 75,786,674 and 166,689,892

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Solution

The third proportional to 75,786,674 and 166,689,892 is: 366,628,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786,674 : 166,689,892 = 166,689,892 : x
  2. Step 2: Convert to fraction form
    75,786,674/166,689,892 = 166,689,892/x
  3. Step 3: Cross multiply
    75,786,674x = 166,689,892 × 166,689,892
  4. Step 4: Simplify right side
    75,786,674x = 27,785,520,094,971,664
  5. Step 5: Solve for x
    x = 27,785,520,094,971,664/75,786,674
  6. Step 6: Final answer
    x = 366,628,044.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.