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Finding the Third Proportional to 86,596 and 135,361

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Solution

The third proportional to 86,596 and 135,361 is: 211,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,596 : 135,361 = 135,361 : x
  2. Step 2: Convert to fraction form
    86,596/135,361 = 135,361/x
  3. Step 3: Cross multiply
    86,596x = 135,361 × 135,361
  4. Step 4: Simplify right side
    86,596x = 18,322,600,321
  5. Step 5: Solve for x
    x = 18,322,600,321/86,596
  6. Step 6: Final answer
    x = 211,587.14

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.