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Finding the Third Proportional to 89,268.75 and 195,669

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Solution

The third proportional to 89,268.75 and 195,669 is: 428,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.75 : 195,669 = 195,669 : x
  2. Step 2: Convert to fraction form
    89,268.75/195,669 = 195,669/x
  3. Step 3: Cross multiply
    89,268.75x = 195,669 × 195,669
  4. Step 4: Simplify right side
    89,268.75x = 38,286,357,561
  5. Step 5: Solve for x
    x = 38,286,357,561/89,268.75
  6. Step 6: Final answer
    x = 428,888.69

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.