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Finding the Third Proportional to 69,961,878 and 153,697,644

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Solution

The third proportional to 69,961,878 and 153,697,644 is: 337,654,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,961,878 : 153,697,644 = 153,697,644 : x
  2. Step 2: Convert to fraction form
    69,961,878/153,697,644 = 153,697,644/x
  3. Step 3: Cross multiply
    69,961,878x = 153,697,644 × 153,697,644
  4. Step 4: Simplify right side
    69,961,878x = 23,622,965,771,150,736
  5. Step 5: Solve for x
    x = 23,622,965,771,150,736/69,961,878
  6. Step 6: Final answer
    x = 337,654,826.41

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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.