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Finding the Third Proportional to 8,490 and 17,754

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Solution

The third proportional to 8,490 and 17,754 is: 37,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490 : 17,754 = 17,754 : x
  2. Step 2: Convert to fraction form
    8,490/17,754 = 17,754/x
  3. Step 3: Cross multiply
    8,490x = 17,754 × 17,754
  4. Step 4: Simplify right side
    8,490x = 315,204,516
  5. Step 5: Solve for x
    x = 315,204,516/8,490
  6. Step 6: Final answer
    x = 37,126.56

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.