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Finding the Third Proportional to 268,212.75 and 579,983.25

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Solution

The third proportional to 268,212.75 and 579,983.25 is: 1,254,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,212.75 : 579,983.25 = 579,983.25 : x
  2. Step 2: Convert to fraction form
    268,212.75/579,983.25 = 579,983.25/x
  3. Step 3: Cross multiply
    268,212.75x = 579,983.25 × 579,983.25
  4. Step 4: Simplify right side
    268,212.75x = 336,380,570,280.56
  5. Step 5: Solve for x
    x = 336,380,570,280.56/268,212.75
  6. Step 6: Final answer
    x = 1,254,155.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.