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Finding the Third Proportional to 66,909.56 and 103,726.03

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Solution

The third proportional to 66,909.56 and 103,726.03 is: 160,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.56 : 103,726.03 = 103,726.03 : x
  2. Step 2: Convert to fraction form
    66,909.56/103,726.03 = 103,726.03/x
  3. Step 3: Cross multiply
    66,909.56x = 103,726.03 × 103,726.03
  4. Step 4: Simplify right side
    66,909.56x = 10,759,089,558.88
  5. Step 5: Solve for x
    x = 10,759,089,558.88/66,909.56
  6. Step 6: Final answer
    x = 160,800.48

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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.