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Finding the Third Proportional to 20,600 and 45,004

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Solution

The third proportional to 20,600 and 45,004 is: 98,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600 : 45,004 = 45,004 : x
  2. Step 2: Convert to fraction form
    20,600/45,004 = 45,004/x
  3. Step 3: Cross multiply
    20,600x = 45,004 × 45,004
  4. Step 4: Simplify right side
    20,600x = 2,025,360,016
  5. Step 5: Solve for x
    x = 2,025,360,016/20,600
  6. Step 6: Final answer
    x = 98,318.45

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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.