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Finding the Third Proportional to 1,319.25 and 1,847.63

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Solution

The third proportional to 1,319.25 and 1,847.63 is: 2,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.25 : 1,847.63 = 1,847.63 : x
  2. Step 2: Convert to fraction form
    1,319.25/1,847.63 = 1,847.63/x
  3. Step 3: Cross multiply
    1,319.25x = 1,847.63 × 1,847.63
  4. Step 4: Simplify right side
    1,319.25x = 3,413,718.14
  5. Step 5: Solve for x
    x = 3,413,718.14/1,319.25
  6. Step 6: Final answer
    x = 2,587.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.