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Finding the Third Proportional to 27,378 and 59,028

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Solution

The third proportional to 27,378 and 59,028 is: 127,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,378 : 59,028 = 59,028 : x
  2. Step 2: Convert to fraction form
    27,378/59,028 = 59,028/x
  3. Step 3: Cross multiply
    27,378x = 59,028 × 59,028
  4. Step 4: Simplify right side
    27,378x = 3,484,304,784
  5. Step 5: Solve for x
    x = 3,484,304,784/27,378
  6. Step 6: Final answer
    x = 127,266.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.