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Finding the Third Proportional to 36,878 and 76,768

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Solution

The third proportional to 36,878 and 76,768 is: 159,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878 : 76,768 = 76,768 : x
  2. Step 2: Convert to fraction form
    36,878/76,768 = 76,768/x
  3. Step 3: Cross multiply
    36,878x = 76,768 × 76,768
  4. Step 4: Simplify right side
    36,878x = 5,893,325,824
  5. Step 5: Solve for x
    x = 5,893,325,824/36,878
  6. Step 6: Final answer
    x = 159,806.00

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.