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Finding the Third Proportional to 27,418 and 56,778

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Solution

The third proportional to 27,418 and 56,778 is: 117,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418 : 56,778 = 56,778 : x
  2. Step 2: Convert to fraction form
    27,418/56,778 = 56,778/x
  3. Step 3: Cross multiply
    27,418x = 56,778 × 56,778
  4. Step 4: Simplify right side
    27,418x = 3,223,741,284
  5. Step 5: Solve for x
    x = 3,223,741,284/27,418
  6. Step 6: Final answer
    x = 117,577.55

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.