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Finding the Third Proportional to 89,932.50 and 135,130.50

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Solution

The third proportional to 89,932.50 and 135,130.50 is: 203,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.50 : 135,130.50 = 135,130.50 : x
  2. Step 2: Convert to fraction form
    89,932.50/135,130.50 = 135,130.50/x
  3. Step 3: Cross multiply
    89,932.50x = 135,130.50 × 135,130.50
  4. Step 4: Simplify right side
    89,932.50x = 18,260,252,030.25
  5. Step 5: Solve for x
    x = 18,260,252,030.25/89,932.50
  6. Step 6: Final answer
    x = 203,043.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.