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Finding the Third Proportional to 19,790 and 46,718

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Solution

The third proportional to 19,790 and 46,718 is: 110,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790 : 46,718 = 46,718 : x
  2. Step 2: Convert to fraction form
    19,790/46,718 = 46,718/x
  3. Step 3: Cross multiply
    19,790x = 46,718 × 46,718
  4. Step 4: Simplify right side
    19,790x = 2,182,571,524
  5. Step 5: Solve for x
    x = 2,182,571,524/19,790
  6. Step 6: Final answer
    x = 110,286.59

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.