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Finding the Third Proportional to 8,618 and 13,301

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Solution

The third proportional to 8,618 and 13,301 is: 20,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618 : 13,301 = 13,301 : x
  2. Step 2: Convert to fraction form
    8,618/13,301 = 13,301/x
  3. Step 3: Cross multiply
    8,618x = 13,301 × 13,301
  4. Step 4: Simplify right side
    8,618x = 176,916,601
  5. Step 5: Solve for x
    x = 176,916,601/8,618
  6. Step 6: Final answer
    x = 20,528.73

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.