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Finding the Third Proportional to 4,842 and 11,216.25

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Solution

The third proportional to 4,842 and 11,216.25 is: 25,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842 : 11,216.25 = 11,216.25 : x
  2. Step 2: Convert to fraction form
    4,842/11,216.25 = 11,216.25/x
  3. Step 3: Cross multiply
    4,842x = 11,216.25 × 11,216.25
  4. Step 4: Simplify right side
    4,842x = 125,804,264.06
  5. Step 5: Solve for x
    x = 125,804,264.06/4,842
  6. Step 6: Final answer
    x = 25,981.88

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.