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Finding the Third Proportional to 87,091.50 and 130,299

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Solution

The third proportional to 87,091.50 and 130,299 is: 194,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,091.50 : 130,299 = 130,299 : x
  2. Step 2: Convert to fraction form
    87,091.50/130,299 = 130,299/x
  3. Step 3: Cross multiply
    87,091.50x = 130,299 × 130,299
  4. Step 4: Simplify right side
    87,091.50x = 16,977,829,401
  5. Step 5: Solve for x
    x = 16,977,829,401/87,091.50
  6. Step 6: Final answer
    x = 194,942.44

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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.