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Finding the Third Proportional to 66,563.50 and 100,538.50

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Solution

The third proportional to 66,563.50 and 100,538.50 is: 151,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,563.50 : 100,538.50 = 100,538.50 : x
  2. Step 2: Convert to fraction form
    66,563.50/100,538.50 = 100,538.50/x
  3. Step 3: Cross multiply
    66,563.50x = 100,538.50 × 100,538.50
  4. Step 4: Simplify right side
    66,563.50x = 10,107,989,982.25
  5. Step 5: Solve for x
    x = 10,107,989,982.25/66,563.50
  6. Step 6: Final answer
    x = 151,854.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.