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Finding the Third Proportional to 2,060 and 3,130

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Solution

The third proportional to 2,060 and 3,130 is: 4,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060 : 3,130 = 3,130 : x
  2. Step 2: Convert to fraction form
    2,060/3,130 = 3,130/x
  3. Step 3: Cross multiply
    2,060x = 3,130 × 3,130
  4. Step 4: Simplify right side
    2,060x = 9,796,900
  5. Step 5: Solve for x
    x = 9,796,900/2,060
  6. Step 6: Final answer
    x = 4,755.78

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.