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Finding the Third Proportional to 658,816,573 and 878,318,869

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Solution

The third proportional to 658,816,573 and 878,318,869 is: 1,170,954,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,816,573 : 878,318,869 = 878,318,869 : x
  2. Step 2: Convert to fraction form
    658,816,573/878,318,869 = 878,318,869/x
  3. Step 3: Cross multiply
    658,816,573x = 878,318,869 × 878,318,869
  4. Step 4: Simplify right side
    658,816,573x = 771,444,035,641,439,104
  5. Step 5: Solve for x
    x = 771,444,035,641,439,104/658,816,573
  6. Step 6: Final answer
    x = 1,170,954,203.73

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.