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Finding the Third Proportional to 31,960,395 and 70,435,863

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Solution

The third proportional to 31,960,395 and 70,435,863 is: 155,229,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960,395 : 70,435,863 = 70,435,863 : x
  2. Step 2: Convert to fraction form
    31,960,395/70,435,863 = 70,435,863/x
  3. Step 3: Cross multiply
    31,960,395x = 70,435,863 × 70,435,863
  4. Step 4: Simplify right side
    31,960,395x = 4,961,210,796,554,769
  5. Step 5: Solve for x
    x = 4,961,210,796,554,769/31,960,395
  6. Step 6: Final answer
    x = 155,229,958.72

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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.