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Finding the Third Proportional to 18,459 and 40,050

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Solution

The third proportional to 18,459 and 40,050 is: 86,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459 : 40,050 = 40,050 : x
  2. Step 2: Convert to fraction form
    18,459/40,050 = 40,050/x
  3. Step 3: Cross multiply
    18,459x = 40,050 × 40,050
  4. Step 4: Simplify right side
    18,459x = 1,604,002,500
  5. Step 5: Solve for x
    x = 1,604,002,500/18,459
  6. Step 6: Final answer
    x = 86,895.42

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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.