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Finding the Third Proportional to 255,086.75 and 556,102.75

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Solution

The third proportional to 255,086.75 and 556,102.75 is: 1,212,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,086.75 : 556,102.75 = 556,102.75 : x
  2. Step 2: Convert to fraction form
    255,086.75/556,102.75 = 556,102.75/x
  3. Step 3: Cross multiply
    255,086.75x = 556,102.75 × 556,102.75
  4. Step 4: Simplify right side
    255,086.75x = 309,250,268,557.56
  5. Step 5: Solve for x
    x = 309,250,268,557.56/255,086.75
  6. Step 6: Final answer
    x = 1,212,333.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.