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Finding the Third Proportional to 1,666 and 2,827

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Solution

The third proportional to 1,666 and 2,827 is: 4,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666 : 2,827 = 2,827 : x
  2. Step 2: Convert to fraction form
    1,666/2,827 = 2,827/x
  3. Step 3: Cross multiply
    1,666x = 2,827 × 2,827
  4. Step 4: Simplify right side
    1,666x = 7,991,929
  5. Step 5: Solve for x
    x = 7,991,929/1,666
  6. Step 6: Final answer
    x = 4,797.08

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.