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Finding the Third Proportional to 6,618 and 8,984

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Solution

The third proportional to 6,618 and 8,984 is: 12,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618 : 8,984 = 8,984 : x
  2. Step 2: Convert to fraction form
    6,618/8,984 = 8,984/x
  3. Step 3: Cross multiply
    6,618x = 8,984 × 8,984
  4. Step 4: Simplify right side
    6,618x = 80,712,256
  5. Step 5: Solve for x
    x = 80,712,256/6,618
  6. Step 6: Final answer
    x = 12,195.87

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.