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Finding the Third Proportional to 74,268 and 98,997.75

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Solution

The third proportional to 74,268 and 98,997.75 is: 131,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,268 : 98,997.75 = 98,997.75 : x
  2. Step 2: Convert to fraction form
    74,268/98,997.75 = 98,997.75/x
  3. Step 3: Cross multiply
    74,268x = 98,997.75 × 98,997.75
  4. Step 4: Simplify right side
    74,268x = 9,800,554,505.06
  5. Step 5: Solve for x
    x = 9,800,554,505.06/74,268
  6. Step 6: Final answer
    x = 131,962.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.