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Finding the Third Proportional to 9,668 and 19,618

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Solution

The third proportional to 9,668 and 19,618 is: 39,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668 : 19,618 = 19,618 : x
  2. Step 2: Convert to fraction form
    9,668/19,618 = 19,618/x
  3. Step 3: Cross multiply
    9,668x = 19,618 × 19,618
  4. Step 4: Simplify right side
    9,668x = 384,865,924
  5. Step 5: Solve for x
    x = 384,865,924/9,668
  6. Step 6: Final answer
    x = 39,808.23

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.