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Finding the Third Proportional to 132,021.75 and 285,087.50

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Solution

The third proportional to 132,021.75 and 285,087.50 is: 615,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,021.75 : 285,087.50 = 285,087.50 : x
  2. Step 2: Convert to fraction form
    132,021.75/285,087.50 = 285,087.50/x
  3. Step 3: Cross multiply
    132,021.75x = 285,087.50 × 285,087.50
  4. Step 4: Simplify right side
    132,021.75x = 81,274,882,656.25
  5. Step 5: Solve for x
    x = 81,274,882,656.25/132,021.75
  6. Step 6: Final answer
    x = 615,617.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.