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Finding the Third Proportional to 6,408 and 9,814.50

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Solution

The third proportional to 6,408 and 9,814.50 is: 15,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408 : 9,814.50 = 9,814.50 : x
  2. Step 2: Convert to fraction form
    6,408/9,814.50 = 9,814.50/x
  3. Step 3: Cross multiply
    6,408x = 9,814.50 × 9,814.50
  4. Step 4: Simplify right side
    6,408x = 96,324,410.25
  5. Step 5: Solve for x
    x = 96,324,410.25/6,408
  6. Step 6: Final answer
    x = 15,031.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.