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Finding the Third Proportional to 6,430 and 11,498

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Solution

The third proportional to 6,430 and 11,498 is: 20,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430 : 11,498 = 11,498 : x
  2. Step 2: Convert to fraction form
    6,430/11,498 = 11,498/x
  3. Step 3: Cross multiply
    6,430x = 11,498 × 11,498
  4. Step 4: Simplify right side
    6,430x = 132,204,004
  5. Step 5: Solve for x
    x = 132,204,004/6,430
  6. Step 6: Final answer
    x = 20,560.50

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.