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Finding the Third Proportional to 39,096 and 86,931

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Solution

The third proportional to 39,096 and 86,931 is: 193,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096 : 86,931 = 86,931 : x
  2. Step 2: Convert to fraction form
    39,096/86,931 = 86,931/x
  3. Step 3: Cross multiply
    39,096x = 86,931 × 86,931
  4. Step 4: Simplify right side
    39,096x = 7,556,998,761
  5. Step 5: Solve for x
    x = 7,556,998,761/39,096
  6. Step 6: Final answer
    x = 193,293.40

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.