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Finding the Third Proportional to 80,228,778 and 173,225,748

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Solution

The third proportional to 80,228,778 and 173,225,748 is: 374,019,903.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,228,778 : 173,225,748 = 173,225,748 : x
  2. Step 2: Convert to fraction form
    80,228,778/173,225,748 = 173,225,748/x
  3. Step 3: Cross multiply
    80,228,778x = 173,225,748 × 173,225,748
  4. Step 4: Simplify right side
    80,228,778x = 30,007,159,770,159,504
  5. Step 5: Solve for x
    x = 30,007,159,770,159,504/80,228,778
  6. Step 6: Final answer
    x = 374,019,903.06

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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.