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Finding the Third Proportional to 67,349,800 and 145,212,192

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Solution

The third proportional to 67,349,800 and 145,212,192 is: 313,090,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,349,800 : 145,212,192 = 145,212,192 : x
  2. Step 2: Convert to fraction form
    67,349,800/145,212,192 = 145,212,192/x
  3. Step 3: Cross multiply
    67,349,800x = 145,212,192 × 145,212,192
  4. Step 4: Simplify right side
    67,349,800x = 21,086,580,705,444,864
  5. Step 5: Solve for x
    x = 21,086,580,705,444,864/67,349,800
  6. Step 6: Final answer
    x = 313,090,472.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.