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Finding the Third Proportional to 24,729 and 54,986

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Solution

The third proportional to 24,729 and 54,986 is: 122,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,729 : 54,986 = 54,986 : x
  2. Step 2: Convert to fraction form
    24,729/54,986 = 54,986/x
  3. Step 3: Cross multiply
    24,729x = 54,986 × 54,986
  4. Step 4: Simplify right side
    24,729x = 3,023,460,196
  5. Step 5: Solve for x
    x = 3,023,460,196/24,729
  6. Step 6: Final answer
    x = 122,263.75

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.