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Finding the Third Proportional to 2,000.53 and 3,137.91

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Solution

The third proportional to 2,000.53 and 3,137.91 is: 4,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.53 : 3,137.91 = 3,137.91 : x
  2. Step 2: Convert to fraction form
    2,000.53/3,137.91 = 3,137.91/x
  3. Step 3: Cross multiply
    2,000.53x = 3,137.91 × 3,137.91
  4. Step 4: Simplify right side
    2,000.53x = 9,846,455.63
  5. Step 5: Solve for x
    x = 9,846,455.63/2,000.53
  6. Step 6: Final answer
    x = 4,921.92

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.