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Finding the Third Proportional to 71,946,891 and 158,239,467

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Solution

The third proportional to 71,946,891 and 158,239,467 is: 348,030,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946,891 : 158,239,467 = 158,239,467 : x
  2. Step 2: Convert to fraction form
    71,946,891/158,239,467 = 158,239,467/x
  3. Step 3: Cross multiply
    71,946,891x = 158,239,467 × 158,239,467
  4. Step 4: Simplify right side
    71,946,891x = 25,039,728,916,444,088
  5. Step 5: Solve for x
    x = 25,039,728,916,444,088/71,946,891
  6. Step 6: Final answer
    x = 348,030,728.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.