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Finding the Third Proportional to 8,488 and 19,838

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Solution

The third proportional to 8,488 and 19,838 is: 46,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488 : 19,838 = 19,838 : x
  2. Step 2: Convert to fraction form
    8,488/19,838 = 19,838/x
  3. Step 3: Cross multiply
    8,488x = 19,838 × 19,838
  4. Step 4: Simplify right side
    8,488x = 393,546,244
  5. Step 5: Solve for x
    x = 393,546,244/8,488
  6. Step 6: Final answer
    x = 46,365.01

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.