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Finding the Third Proportional to 297,383,868 and 644,192,572.50

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Solution

The third proportional to 297,383,868 and 644,192,572.50 is: 1,395,449,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,383,868 : 644,192,572.50 = 644,192,572.50 : x
  2. Step 2: Convert to fraction form
    297,383,868/644,192,572.50 = 644,192,572.50/x
  3. Step 3: Cross multiply
    297,383,868x = 644,192,572.50 × 644,192,572.50
  4. Step 4: Simplify right side
    297,383,868x = 414,984,070,464,167,744
  5. Step 5: Solve for x
    x = 414,984,070,464,167,744/297,383,868
  6. Step 6: Final answer
    x = 1,395,449,165.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.