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Finding the Third Proportional to 79,761,403 and 173,135,512

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Solution

The third proportional to 79,761,403 and 173,135,512 is: 375,819,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761,403 : 173,135,512 = 173,135,512 : x
  2. Step 2: Convert to fraction form
    79,761,403/173,135,512 = 173,135,512/x
  3. Step 3: Cross multiply
    79,761,403x = 173,135,512 × 173,135,512
  4. Step 4: Simplify right side
    79,761,403x = 29,975,905,515,502,144
  5. Step 5: Solve for x
    x = 29,975,905,515,502,144/79,761,403
  6. Step 6: Final answer
    x = 375,819,687.07

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.