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Finding the Third Proportional to 83,931.75 and 181,268.25

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Solution

The third proportional to 83,931.75 and 181,268.25 is: 391,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,931.75 : 181,268.25 = 181,268.25 : x
  2. Step 2: Convert to fraction form
    83,931.75/181,268.25 = 181,268.25/x
  3. Step 3: Cross multiply
    83,931.75x = 181,268.25 × 181,268.25
  4. Step 4: Simplify right side
    83,931.75x = 32,858,178,458.06
  5. Step 5: Solve for x
    x = 32,858,178,458.06/83,931.75
  6. Step 6: Final answer
    x = 391,486.87

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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.