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Finding the Third Proportional to 14,618 and 16,805

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Solution

The third proportional to 14,618 and 16,805 is: 19,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618 : 16,805 = 16,805 : x
  2. Step 2: Convert to fraction form
    14,618/16,805 = 16,805/x
  3. Step 3: Cross multiply
    14,618x = 16,805 × 16,805
  4. Step 4: Simplify right side
    14,618x = 282,408,025
  5. Step 5: Solve for x
    x = 282,408,025/14,618
  6. Step 6: Final answer
    x = 19,319.20

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.