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Finding the Third Proportional to 18,796 and 39,748

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Solution

The third proportional to 18,796 and 39,748 is: 84,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796 : 39,748 = 39,748 : x
  2. Step 2: Convert to fraction form
    18,796/39,748 = 39,748/x
  3. Step 3: Cross multiply
    18,796x = 39,748 × 39,748
  4. Step 4: Simplify right side
    18,796x = 1,579,903,504
  5. Step 5: Solve for x
    x = 1,579,903,504/18,796
  6. Step 6: Final answer
    x = 84,055.30

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.