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Finding the Third Proportional to 79,761,464 and 173,135,632

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Solution

The third proportional to 79,761,464 and 173,135,632 is: 375,819,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761,464 : 173,135,632 = 173,135,632 : x
  2. Step 2: Convert to fraction form
    79,761,464/173,135,632 = 173,135,632/x
  3. Step 3: Cross multiply
    79,761,464x = 173,135,632 × 173,135,632
  4. Step 4: Simplify right side
    79,761,464x = 29,975,947,068,039,424
  5. Step 5: Solve for x
    x = 29,975,947,068,039,424/79,761,464
  6. Step 6: Final answer
    x = 375,819,920.61

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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.