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Finding the Third Proportional to 8,263.31 and 12,588.66

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Solution

The third proportional to 8,263.31 and 12,588.66 is: 19,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.31 : 12,588.66 = 12,588.66 : x
  2. Step 2: Convert to fraction form
    8,263.31/12,588.66 = 12,588.66/x
  3. Step 3: Cross multiply
    8,263.31x = 12,588.66 × 12,588.66
  4. Step 4: Simplify right side
    8,263.31x = 158,474,266.18
  5. Step 5: Solve for x
    x = 158,474,266.18/8,263.31
  6. Step 6: Final answer
    x = 19,178.06

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.