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Finding the Third Proportional to 195,031,134 and 406,204,878

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Solution

The third proportional to 195,031,134 and 406,204,878 is: 846,031,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,031,134 : 406,204,878 = 406,204,878 : x
  2. Step 2: Convert to fraction form
    195,031,134/406,204,878 = 406,204,878/x
  3. Step 3: Cross multiply
    195,031,134x = 406,204,878 × 406,204,878
  4. Step 4: Simplify right side
    195,031,134x = 165,002,402,910,994,880
  5. Step 5: Solve for x
    x = 165,002,402,910,994,880/195,031,134
  6. Step 6: Final answer
    x = 846,031,090.15

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.