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Finding the Third Proportional to 65,949.19 and 102,181.50

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Solution

The third proportional to 65,949.19 and 102,181.50 is: 158,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,949.19 : 102,181.50 = 102,181.50 : x
  2. Step 2: Convert to fraction form
    65,949.19/102,181.50 = 102,181.50/x
  3. Step 3: Cross multiply
    65,949.19x = 102,181.50 × 102,181.50
  4. Step 4: Simplify right side
    65,949.19x = 10,441,058,942.25
  5. Step 5: Solve for x
    x = 10,441,058,942.25/65,949.19
  6. Step 6: Final answer
    x = 158,319.75

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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.