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Finding the Third Proportional to 85,281 and 127,923

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Solution

The third proportional to 85,281 and 127,923 is: 191,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281 : 127,923 = 127,923 : x
  2. Step 2: Convert to fraction form
    85,281/127,923 = 127,923/x
  3. Step 3: Cross multiply
    85,281x = 127,923 × 127,923
  4. Step 4: Simplify right side
    85,281x = 16,364,293,929
  5. Step 5: Solve for x
    x = 16,364,293,929/85,281
  6. Step 6: Final answer
    x = 191,886.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.