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Finding the Third Proportional to 948.27 and 1,992.65

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Solution

The third proportional to 948.27 and 1,992.65 is: 4,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    948.27 : 1,992.65 = 1,992.65 : x
  2. Step 2: Convert to fraction form
    948.27/1,992.65 = 1,992.65/x
  3. Step 3: Cross multiply
    948.27x = 1,992.65 × 1,992.65
  4. Step 4: Simplify right side
    948.27x = 3,970,643.90
  5. Step 5: Solve for x
    x = 3,970,643.90/948.27
  6. Step 6: Final answer
    x = 4,187.25

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.