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Finding the Third Proportional to 90,584.63 and 196,776.75

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Solution

The third proportional to 90,584.63 and 196,776.75 is: 427,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.63 : 196,776.75 = 196,776.75 : x
  2. Step 2: Convert to fraction form
    90,584.63/196,776.75 = 196,776.75/x
  3. Step 3: Cross multiply
    90,584.63x = 196,776.75 × 196,776.75
  4. Step 4: Simplify right side
    90,584.63x = 38,721,089,340.56
  5. Step 5: Solve for x
    x = 38,721,089,340.56/90,584.63
  6. Step 6: Final answer
    x = 427,457.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.