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Finding the Third Proportional to 15,887.25 and 22,317.75

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Solution

The third proportional to 15,887.25 and 22,317.75 is: 31,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.25 : 22,317.75 = 22,317.75 : x
  2. Step 2: Convert to fraction form
    15,887.25/22,317.75 = 22,317.75/x
  3. Step 3: Cross multiply
    15,887.25x = 22,317.75 × 22,317.75
  4. Step 4: Simplify right side
    15,887.25x = 498,081,965.06
  5. Step 5: Solve for x
    x = 498,081,965.06/15,887.25
  6. Step 6: Final answer
    x = 31,351.05

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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.