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Finding the Third Proportional to 20,605.50 and 44,973

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Solution

The third proportional to 20,605.50 and 44,973 is: 98,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605.50 : 44,973 = 44,973 : x
  2. Step 2: Convert to fraction form
    20,605.50/44,973 = 44,973/x
  3. Step 3: Cross multiply
    20,605.50x = 44,973 × 44,973
  4. Step 4: Simplify right side
    20,605.50x = 2,022,570,729
  5. Step 5: Solve for x
    x = 2,022,570,729/20,605.50
  6. Step 6: Final answer
    x = 98,156.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.