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Finding the Third Proportional to 18,618 and 26,538

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Solution

The third proportional to 18,618 and 26,538 is: 37,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618 : 26,538 = 26,538 : x
  2. Step 2: Convert to fraction form
    18,618/26,538 = 26,538/x
  3. Step 3: Cross multiply
    18,618x = 26,538 × 26,538
  4. Step 4: Simplify right side
    18,618x = 704,265,444
  5. Step 5: Solve for x
    x = 704,265,444/18,618
  6. Step 6: Final answer
    x = 37,827.13

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.