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Finding the Third Proportional to 8,360.72 and 18,276.26

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Solution

The third proportional to 8,360.72 and 18,276.26 is: 39,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.72 : 18,276.26 = 18,276.26 : x
  2. Step 2: Convert to fraction form
    8,360.72/18,276.26 = 18,276.26/x
  3. Step 3: Cross multiply
    8,360.72x = 18,276.26 × 18,276.26
  4. Step 4: Simplify right side
    8,360.72x = 334,021,599.63
  5. Step 5: Solve for x
    x = 334,021,599.63/8,360.72
  6. Step 6: Final answer
    x = 39,951.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.