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Finding the Third Proportional to 505,928 and 758,649

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Solution

The third proportional to 505,928 and 758,649 is: 1,137,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,928 : 758,649 = 758,649 : x
  2. Step 2: Convert to fraction form
    505,928/758,649 = 758,649/x
  3. Step 3: Cross multiply
    505,928x = 758,649 × 758,649
  4. Step 4: Simplify right side
    505,928x = 575,548,305,201
  5. Step 5: Solve for x
    x = 575,548,305,201/505,928
  6. Step 6: Final answer
    x = 1,137,609.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.