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Finding the Third Proportional to 85,120 and 125,326

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Solution

The third proportional to 85,120 and 125,326 is: 184,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,120 : 125,326 = 125,326 : x
  2. Step 2: Convert to fraction form
    85,120/125,326 = 125,326/x
  3. Step 3: Cross multiply
    85,120x = 125,326 × 125,326
  4. Step 4: Simplify right side
    85,120x = 15,706,606,276
  5. Step 5: Solve for x
    x = 15,706,606,276/85,120
  6. Step 6: Final answer
    x = 184,523.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.