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Finding the Third Proportional to 77,771,631 and 166,636,311

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Solution

The third proportional to 77,771,631 and 166,636,311 is: 357,040,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,631 : 166,636,311 = 166,636,311 : x
  2. Step 2: Convert to fraction form
    77,771,631/166,636,311 = 166,636,311/x
  3. Step 3: Cross multiply
    77,771,631x = 166,636,311 × 166,636,311
  4. Step 4: Simplify right side
    77,771,631x = 27,767,660,143,688,720
  5. Step 5: Solve for x
    x = 27,767,660,143,688,720/77,771,631
  6. Step 6: Final answer
    x = 357,040,990.23

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.