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Finding the Third Proportional to 18,246 and 39,951

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Solution

The third proportional to 18,246 and 39,951 is: 87,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246 : 39,951 = 39,951 : x
  2. Step 2: Convert to fraction form
    18,246/39,951 = 39,951/x
  3. Step 3: Cross multiply
    18,246x = 39,951 × 39,951
  4. Step 4: Simplify right side
    18,246x = 1,596,082,401
  5. Step 5: Solve for x
    x = 1,596,082,401/18,246
  6. Step 6: Final answer
    x = 87,475.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.