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Finding the Third Proportional to 1,060 and 2,216.75

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Solution

The third proportional to 1,060 and 2,216.75 is: 4,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060 : 2,216.75 = 2,216.75 : x
  2. Step 2: Convert to fraction form
    1,060/2,216.75 = 2,216.75/x
  3. Step 3: Cross multiply
    1,060x = 2,216.75 × 2,216.75
  4. Step 4: Simplify right side
    1,060x = 4,913,980.56
  5. Step 5: Solve for x
    x = 4,913,980.56/1,060
  6. Step 6: Final answer
    x = 4,635.83

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.