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Finding the Third Proportional to 628,318.27 and 888,349.15

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Solution

The third proportional to 628,318.27 and 888,349.15 is: 1,255,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,318.27 : 888,349.15 = 888,349.15 : x
  2. Step 2: Convert to fraction form
    628,318.27/888,349.15 = 888,349.15/x
  3. Step 3: Cross multiply
    628,318.27x = 888,349.15 × 888,349.15
  4. Step 4: Simplify right side
    628,318.27x = 789,164,209,529.67
  5. Step 5: Solve for x
    x = 789,164,209,529.67/628,318.27
  6. Step 6: Final answer
    x = 1,255,994.38

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.