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Finding the Third Proportional to 27,488 and 41,620

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Solution

The third proportional to 27,488 and 41,620 is: 63,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488 : 41,620 = 41,620 : x
  2. Step 2: Convert to fraction form
    27,488/41,620 = 41,620/x
  3. Step 3: Cross multiply
    27,488x = 41,620 × 41,620
  4. Step 4: Simplify right side
    27,488x = 1,732,224,400
  5. Step 5: Solve for x
    x = 1,732,224,400/27,488
  6. Step 6: Final answer
    x = 63,017.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.