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Finding the Third Proportional to 136,544.25 and 279,649.50

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Solution

The third proportional to 136,544.25 and 279,649.50 is: 572,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,544.25 : 279,649.50 = 279,649.50 : x
  2. Step 2: Convert to fraction form
    136,544.25/279,649.50 = 279,649.50/x
  3. Step 3: Cross multiply
    136,544.25x = 279,649.50 × 279,649.50
  4. Step 4: Simplify right side
    136,544.25x = 78,203,842,850.25
  5. Step 5: Solve for x
    x = 78,203,842,850.25/136,544.25
  6. Step 6: Final answer
    x = 572,736.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.