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Finding the Third Proportional to 133,451,360 and 287,379,520

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Solution

The third proportional to 133,451,360 and 287,379,520 is: 618,854,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,451,360 : 287,379,520 = 287,379,520 : x
  2. Step 2: Convert to fraction form
    133,451,360/287,379,520 = 287,379,520/x
  3. Step 3: Cross multiply
    133,451,360x = 287,379,520 × 287,379,520
  4. Step 4: Simplify right side
    133,451,360x = 82,586,988,515,430,400
  5. Step 5: Solve for x
    x = 82,586,988,515,430,400/133,451,360
  6. Step 6: Final answer
    x = 618,854,603.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.