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Finding the Third Proportional to 173,136,820 and 259,159,182

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Solution

The third proportional to 173,136,820 and 259,159,182 is: 387,921,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,136,820 : 259,159,182 = 259,159,182 : x
  2. Step 2: Convert to fraction form
    173,136,820/259,159,182 = 259,159,182/x
  3. Step 3: Cross multiply
    173,136,820x = 259,159,182 × 259,159,182
  4. Step 4: Simplify right side
    173,136,820x = 67,163,481,614,909,120
  5. Step 5: Solve for x
    x = 67,163,481,614,909,120/173,136,820
  6. Step 6: Final answer
    x = 387,921,423.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.