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Finding the Third Proportional to 5,902 and 8,840

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Solution

The third proportional to 5,902 and 8,840 is: 13,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902 : 8,840 = 8,840 : x
  2. Step 2: Convert to fraction form
    5,902/8,840 = 8,840/x
  3. Step 3: Cross multiply
    5,902x = 8,840 × 8,840
  4. Step 4: Simplify right side
    5,902x = 78,145,600
  5. Step 5: Solve for x
    x = 78,145,600/5,902
  6. Step 6: Final answer
    x = 13,240.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.