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Finding the Third Proportional to 8,626 and 9,970

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Solution

The third proportional to 8,626 and 9,970 is: 11,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626 : 9,970 = 9,970 : x
  2. Step 2: Convert to fraction form
    8,626/9,970 = 9,970/x
  3. Step 3: Cross multiply
    8,626x = 9,970 × 9,970
  4. Step 4: Simplify right side
    8,626x = 99,400,900
  5. Step 5: Solve for x
    x = 99,400,900/8,626
  6. Step 6: Final answer
    x = 11,523.41

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.