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Finding the Third Proportional to 60,057 and 131,400

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Solution

The third proportional to 60,057 and 131,400 is: 287,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,057 : 131,400 = 131,400 : x
  2. Step 2: Convert to fraction form
    60,057/131,400 = 131,400/x
  3. Step 3: Cross multiply
    60,057x = 131,400 × 131,400
  4. Step 4: Simplify right side
    60,057x = 17,265,960,000
  5. Step 5: Solve for x
    x = 17,265,960,000/60,057
  6. Step 6: Final answer
    x = 287,492.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.