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Finding the Third Proportional to 18,964 and 37,928

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Solution

The third proportional to 18,964 and 37,928 is: 75,856

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964 : 37,928 = 37,928 : x
  2. Step 2: Convert to fraction form
    18,964/37,928 = 37,928/x
  3. Step 3: Cross multiply
    18,964x = 37,928 × 37,928
  4. Step 4: Simplify right side
    18,964x = 1,438,533,184
  5. Step 5: Solve for x
    x = 1,438,533,184/18,964
  6. Step 6: Final answer
    x = 75,856

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.