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Finding the Third Proportional to 88,299.56 and 128,346.75

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Solution

The third proportional to 88,299.56 and 128,346.75 is: 186,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,299.56 : 128,346.75 = 128,346.75 : x
  2. Step 2: Convert to fraction form
    88,299.56/128,346.75 = 128,346.75/x
  3. Step 3: Cross multiply
    88,299.56x = 128,346.75 × 128,346.75
  4. Step 4: Simplify right side
    88,299.56x = 16,472,888,235.56
  5. Step 5: Solve for x
    x = 16,472,888,235.56/88,299.56
  6. Step 6: Final answer
    x = 186,556.85

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.