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Finding the Third Proportional to 131,183,578.50 and 287,079,265.50

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Solution

The third proportional to 131,183,578.50 and 287,079,265.50 is: 628,237,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183,578.50 : 287,079,265.50 = 287,079,265.50 : x
  2. Step 2: Convert to fraction form
    131,183,578.50/287,079,265.50 = 287,079,265.50/x
  3. Step 3: Cross multiply
    131,183,578.50x = 287,079,265.50 × 287,079,265.50
  4. Step 4: Simplify right side
    131,183,578.50x = 82,414,504,680,019,488
  5. Step 5: Solve for x
    x = 82,414,504,680,019,488/131,183,578.50
  6. Step 6: Final answer
    x = 628,237,967.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.