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Finding the Third Proportional to 202,940,860 and 313,737,630

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Solution

The third proportional to 202,940,860 and 313,737,630 is: 485,024,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,940,860 : 313,737,630 = 313,737,630 : x
  2. Step 2: Convert to fraction form
    202,940,860/313,737,630 = 313,737,630/x
  3. Step 3: Cross multiply
    202,940,860x = 313,737,630 × 313,737,630
  4. Step 4: Simplify right side
    202,940,860x = 98,431,300,478,016,896
  5. Step 5: Solve for x
    x = 98,431,300,478,016,896/202,940,860
  6. Step 6: Final answer
    x = 485,024,555.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.