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Finding the Third Proportional to 6,108 and 8,490

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Solution

The third proportional to 6,108 and 8,490 is: 11,800.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108 : 8,490 = 8,490 : x
  2. Step 2: Convert to fraction form
    6,108/8,490 = 8,490/x
  3. Step 3: Cross multiply
    6,108x = 8,490 × 8,490
  4. Step 4: Simplify right side
    6,108x = 72,080,100
  5. Step 5: Solve for x
    x = 72,080,100/6,108
  6. Step 6: Final answer
    x = 11,800.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.