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Finding the Third Proportional to 255,093.75 and 556,116.75

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Solution

The third proportional to 255,093.75 and 556,116.75 is: 1,212,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,093.75 : 556,116.75 = 556,116.75 : x
  2. Step 2: Convert to fraction form
    255,093.75/556,116.75 = 556,116.75/x
  3. Step 3: Cross multiply
    255,093.75x = 556,116.75 × 556,116.75
  4. Step 4: Simplify right side
    255,093.75x = 309,265,839,630.56
  5. Step 5: Solve for x
    x = 309,265,839,630.56/255,093.75
  6. Step 6: Final answer
    x = 1,212,361.49

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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.