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Finding the Third Proportional to 1,623.38 and 4,407.75

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Solution

The third proportional to 1,623.38 and 4,407.75 is: 11,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.38 : 4,407.75 = 4,407.75 : x
  2. Step 2: Convert to fraction form
    1,623.38/4,407.75 = 4,407.75/x
  3. Step 3: Cross multiply
    1,623.38x = 4,407.75 × 4,407.75
  4. Step 4: Simplify right side
    1,623.38x = 19,428,260.06
  5. Step 5: Solve for x
    x = 19,428,260.06/1,623.38
  6. Step 6: Final answer
    x = 11,967.82

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.