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Finding the Third Proportional to 25,643.25 and 38,805.75

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Solution

The third proportional to 25,643.25 and 38,805.75 is: 58,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.25 : 38,805.75 = 38,805.75 : x
  2. Step 2: Convert to fraction form
    25,643.25/38,805.75 = 38,805.75/x
  3. Step 3: Cross multiply
    25,643.25x = 38,805.75 × 38,805.75
  4. Step 4: Simplify right side
    25,643.25x = 1,505,886,233.06
  5. Step 5: Solve for x
    x = 1,505,886,233.06/25,643.25
  6. Step 6: Final answer
    x = 58,724.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.