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Finding the Third Proportional to 8,297.44 and 17,915.34

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Solution

The third proportional to 8,297.44 and 17,915.34 is: 38,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.44 : 17,915.34 = 17,915.34 : x
  2. Step 2: Convert to fraction form
    8,297.44/17,915.34 = 17,915.34/x
  3. Step 3: Cross multiply
    8,297.44x = 17,915.34 × 17,915.34
  4. Step 4: Simplify right side
    8,297.44x = 320,959,541.68
  5. Step 5: Solve for x
    x = 320,959,541.68/8,297.44
  6. Step 6: Final answer
    x = 38,681.77

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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.