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Finding the Third Proportional to 9,992.25 and 21,543.75

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Solution

The third proportional to 9,992.25 and 21,543.75 is: 46,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.25 : 21,543.75 = 21,543.75 : x
  2. Step 2: Convert to fraction form
    9,992.25/21,543.75 = 21,543.75/x
  3. Step 3: Cross multiply
    9,992.25x = 21,543.75 × 21,543.75
  4. Step 4: Simplify right side
    9,992.25x = 464,133,164.06
  5. Step 5: Solve for x
    x = 464,133,164.06/9,992.25
  6. Step 6: Final answer
    x = 46,449.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.