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Finding the Third Proportional to 255,086.25 and 556,101.75

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Solution

The third proportional to 255,086.25 and 556,101.75 is: 1,212,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,086.25 : 556,101.75 = 556,101.75 : x
  2. Step 2: Convert to fraction form
    255,086.25/556,101.75 = 556,101.75/x
  3. Step 3: Cross multiply
    255,086.25x = 556,101.75 × 556,101.75
  4. Step 4: Simplify right side
    255,086.25x = 309,249,156,353.06
  5. Step 5: Solve for x
    x = 309,249,156,353.06/255,086.25
  6. Step 6: Final answer
    x = 1,212,331.74

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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.