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Finding the Third Proportional to 18,964 and 41,290

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Solution

The third proportional to 18,964 and 41,290 is: 89,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964 : 41,290 = 41,290 : x
  2. Step 2: Convert to fraction form
    18,964/41,290 = 41,290/x
  3. Step 3: Cross multiply
    18,964x = 41,290 × 41,290
  4. Step 4: Simplify right side
    18,964x = 1,704,864,100
  5. Step 5: Solve for x
    x = 1,704,864,100/18,964
  6. Step 6: Final answer
    x = 89,900.03

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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.