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Finding the Third Proportional to 63,664.50 and 134,918

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Solution

The third proportional to 63,664.50 and 134,918 is: 285,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.50 : 134,918 = 134,918 : x
  2. Step 2: Convert to fraction form
    63,664.50/134,918 = 134,918/x
  3. Step 3: Cross multiply
    63,664.50x = 134,918 × 134,918
  4. Step 4: Simplify right side
    63,664.50x = 18,202,866,724
  5. Step 5: Solve for x
    x = 18,202,866,724/63,664.50
  6. Step 6: Final answer
    x = 285,918.63

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.