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Finding the Third Proportional to 8,572 and 9,832

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Solution

The third proportional to 8,572 and 9,832 is: 11,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572 : 9,832 = 9,832 : x
  2. Step 2: Convert to fraction form
    8,572/9,832 = 9,832/x
  3. Step 3: Cross multiply
    8,572x = 9,832 × 9,832
  4. Step 4: Simplify right side
    8,572x = 96,668,224
  5. Step 5: Solve for x
    x = 96,668,224/8,572
  6. Step 6: Final answer
    x = 11,277.21

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.