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Finding the Third Proportional to 18,903.75 and 41,266.25

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Solution

The third proportional to 18,903.75 and 41,266.25 is: 90,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.75 : 41,266.25 = 41,266.25 : x
  2. Step 2: Convert to fraction form
    18,903.75/41,266.25 = 41,266.25/x
  3. Step 3: Cross multiply
    18,903.75x = 41,266.25 × 41,266.25
  4. Step 4: Simplify right side
    18,903.75x = 1,702,903,389.06
  5. Step 5: Solve for x
    x = 1,702,903,389.06/18,903.75
  6. Step 6: Final answer
    x = 90,082.83

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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.