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Finding the Third Proportional to 331,489,091.67 and 520,008,560.02

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Solution

The third proportional to 331,489,091.67 and 520,008,560.02 is: 815,739,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,489,091.67 : 520,008,560.02 = 520,008,560.02 : x
  2. Step 2: Convert to fraction form
    331,489,091.67/520,008,560.02 = 520,008,560.02/x
  3. Step 3: Cross multiply
    331,489,091.67x = 520,008,560.02 × 520,008,560.02
  4. Step 4: Simplify right side
    331,489,091.67x = 270,408,902,489,518,656
  5. Step 5: Solve for x
    x = 270,408,902,489,518,656/331,489,091.67
  6. Step 6: Final answer
    x = 815,739,972.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.