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Finding the Third Proportional to 704 and 1,800

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Solution

The third proportional to 704 and 1,800 is: 4,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704 : 1,800 = 1,800 : x
  2. Step 2: Convert to fraction form
    704/1,800 = 1,800/x
  3. Step 3: Cross multiply
    704x = 1,800 × 1,800
  4. Step 4: Simplify right side
    704x = 3,240,000
  5. Step 5: Solve for x
    x = 3,240,000/704
  6. Step 6: Final answer
    x = 4,602.27

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These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.