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Finding the Third Proportional to 86,994 and 131,706

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Solution

The third proportional to 86,994 and 131,706 is: 199,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,994 : 131,706 = 131,706 : x
  2. Step 2: Convert to fraction form
    86,994/131,706 = 131,706/x
  3. Step 3: Cross multiply
    86,994x = 131,706 × 131,706
  4. Step 4: Simplify right side
    86,994x = 17,346,470,436
  5. Step 5: Solve for x
    x = 17,346,470,436/86,994
  6. Step 6: Final answer
    x = 199,398.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.