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Finding the Third Proportional to 86,908 and 134,352

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Solution

The third proportional to 86,908 and 134,352 is: 207,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,908 : 134,352 = 134,352 : x
  2. Step 2: Convert to fraction form
    86,908/134,352 = 134,352/x
  3. Step 3: Cross multiply
    86,908x = 134,352 × 134,352
  4. Step 4: Simplify right side
    86,908x = 18,050,459,904
  5. Step 5: Solve for x
    x = 18,050,459,904/86,908
  6. Step 6: Final answer
    x = 207,696.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.