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Finding the Third Proportional to 1,349 and 2,060

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Solution

The third proportional to 1,349 and 2,060 is: 3,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349 : 2,060 = 2,060 : x
  2. Step 2: Convert to fraction form
    1,349/2,060 = 2,060/x
  3. Step 3: Cross multiply
    1,349x = 2,060 × 2,060
  4. Step 4: Simplify right side
    1,349x = 4,243,600
  5. Step 5: Solve for x
    x = 4,243,600/1,349
  6. Step 6: Final answer
    x = 3,145.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.