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Finding the Third Proportional to 19,352 and 38,320

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Solution

The third proportional to 19,352 and 38,320 is: 75,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352 : 38,320 = 38,320 : x
  2. Step 2: Convert to fraction form
    19,352/38,320 = 38,320/x
  3. Step 3: Cross multiply
    19,352x = 38,320 × 38,320
  4. Step 4: Simplify right side
    19,352x = 1,468,422,400
  5. Step 5: Solve for x
    x = 1,468,422,400/19,352
  6. Step 6: Final answer
    x = 75,879.62

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.