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Finding the Third Proportional to 19,296 and 39,552

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Solution

The third proportional to 19,296 and 39,552 is: 81,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296 : 39,552 = 39,552 : x
  2. Step 2: Convert to fraction form
    19,296/39,552 = 39,552/x
  3. Step 3: Cross multiply
    19,296x = 39,552 × 39,552
  4. Step 4: Simplify right side
    19,296x = 1,564,360,704
  5. Step 5: Solve for x
    x = 1,564,360,704/19,296
  6. Step 6: Final answer
    x = 81,071.76

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.