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Finding the Third Proportional to 159,425,820 and 331,575,444

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Solution

The third proportional to 159,425,820 and 331,575,444 is: 689,613,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,425,820 : 331,575,444 = 331,575,444 : x
  2. Step 2: Convert to fraction form
    159,425,820/331,575,444 = 331,575,444/x
  3. Step 3: Cross multiply
    159,425,820x = 331,575,444 × 331,575,444
  4. Step 4: Simplify right side
    159,425,820x = 109,942,275,063,797,136
  5. Step 5: Solve for x
    x = 109,942,275,063,797,136/159,425,820
  6. Step 6: Final answer
    x = 689,613,985.14

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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.