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Finding the Third Proportional to 114,635.25 and 128,850.75

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Solution

The third proportional to 114,635.25 and 128,850.75 is: 144,829.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,635.25 : 128,850.75 = 128,850.75 : x
  2. Step 2: Convert to fraction form
    114,635.25/128,850.75 = 128,850.75/x
  3. Step 3: Cross multiply
    114,635.25x = 128,850.75 × 128,850.75
  4. Step 4: Simplify right side
    114,635.25x = 16,602,515,775.56
  5. Step 5: Solve for x
    x = 16,602,515,775.56/114,635.25
  6. Step 6: Final answer
    x = 144,829.06

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.