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Finding the Third Proportional to 16,809 and 33,618

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Solution

The third proportional to 16,809 and 33,618 is: 67,236

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,809 : 33,618 = 33,618 : x
  2. Step 2: Convert to fraction form
    16,809/33,618 = 33,618/x
  3. Step 3: Cross multiply
    16,809x = 33,618 × 33,618
  4. Step 4: Simplify right side
    16,809x = 1,130,169,924
  5. Step 5: Solve for x
    x = 1,130,169,924/16,809
  6. Step 6: Final answer
    x = 67,236

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.