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Finding the Third Proportional to 122,783.25 and 263,505.75

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Solution

The third proportional to 122,783.25 and 263,505.75 is: 565,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,783.25 : 263,505.75 = 263,505.75 : x
  2. Step 2: Convert to fraction form
    122,783.25/263,505.75 = 263,505.75/x
  3. Step 3: Cross multiply
    122,783.25x = 263,505.75 × 263,505.75
  4. Step 4: Simplify right side
    122,783.25x = 69,435,280,283.06
  5. Step 5: Solve for x
    x = 69,435,280,283.06/122,783.25
  6. Step 6: Final answer
    x = 565,511.01

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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.