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Finding the Third Proportional to 170,639,793.50 and 257,752,990

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Solution

The third proportional to 170,639,793.50 and 257,752,990 is: 389,338,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,639,793.50 : 257,752,990 = 257,752,990 : x
  2. Step 2: Convert to fraction form
    170,639,793.50/257,752,990 = 257,752,990/x
  3. Step 3: Cross multiply
    170,639,793.50x = 257,752,990 × 257,752,990
  4. Step 4: Simplify right side
    170,639,793.50x = 66,436,603,853,940,096
  5. Step 5: Solve for x
    x = 66,436,603,853,940,096/170,639,793.50
  6. Step 6: Final answer
    x = 389,338,280.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.