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Finding the Third Proportional to 134,644.50 and 209,076.75

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Solution

The third proportional to 134,644.50 and 209,076.75 is: 324,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,644.50 : 209,076.75 = 209,076.75 : x
  2. Step 2: Convert to fraction form
    134,644.50/209,076.75 = 209,076.75/x
  3. Step 3: Cross multiply
    134,644.50x = 209,076.75 × 209,076.75
  4. Step 4: Simplify right side
    134,644.50x = 43,713,087,390.56
  5. Step 5: Solve for x
    x = 43,713,087,390.56/134,644.50
  6. Step 6: Final answer
    x = 324,655.57

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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.