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Finding the Third Proportional to 64,084.50 and 135,553.50

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Solution

The third proportional to 64,084.50 and 135,553.50 is: 286,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,084.50 : 135,553.50 = 135,553.50 : x
  2. Step 2: Convert to fraction form
    64,084.50/135,553.50 = 135,553.50/x
  3. Step 3: Cross multiply
    64,084.50x = 135,553.50 × 135,553.50
  4. Step 4: Simplify right side
    64,084.50x = 18,374,751,362.25
  5. Step 5: Solve for x
    x = 18,374,751,362.25/64,084.50
  6. Step 6: Final answer
    x = 286,726.92

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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.