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Finding the Third Proportional to 86,677 and 133,043

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Solution

The third proportional to 86,677 and 133,043 is: 204,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,677 : 133,043 = 133,043 : x
  2. Step 2: Convert to fraction form
    86,677/133,043 = 133,043/x
  3. Step 3: Cross multiply
    86,677x = 133,043 × 133,043
  4. Step 4: Simplify right side
    86,677x = 17,700,439,849
  5. Step 5: Solve for x
    x = 17,700,439,849/86,677
  6. Step 6: Final answer
    x = 204,211.50

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.