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Finding the Third Proportional to 64,997,855 and 100,967,561

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Solution

The third proportional to 64,997,855 and 100,967,561 is: 156,842,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997,855 : 100,967,561 = 100,967,561 : x
  2. Step 2: Convert to fraction form
    64,997,855/100,967,561 = 100,967,561/x
  3. Step 3: Cross multiply
    64,997,855x = 100,967,561 × 100,967,561
  4. Step 4: Simplify right side
    64,997,855x = 10,194,448,374,288,720
  5. Step 5: Solve for x
    x = 10,194,448,374,288,720/64,997,855
  6. Step 6: Final answer
    x = 156,842,843.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.