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Finding the Third Proportional to 1,523.25 and 3,345.75

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Solution

The third proportional to 1,523.25 and 3,345.75 is: 7,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.25 : 3,345.75 = 3,345.75 : x
  2. Step 2: Convert to fraction form
    1,523.25/3,345.75 = 3,345.75/x
  3. Step 3: Cross multiply
    1,523.25x = 3,345.75 × 3,345.75
  4. Step 4: Simplify right side
    1,523.25x = 11,194,043.06
  5. Step 5: Solve for x
    x = 11,194,043.06/1,523.25
  6. Step 6: Final answer
    x = 7,348.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.