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Finding the Third Proportional to 8,960 and 9,968

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Solution

The third proportional to 8,960 and 9,968 is: 11,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960 : 9,968 = 9,968 : x
  2. Step 2: Convert to fraction form
    8,960/9,968 = 9,968/x
  3. Step 3: Cross multiply
    8,960x = 9,968 × 9,968
  4. Step 4: Simplify right side
    8,960x = 99,361,024
  5. Step 5: Solve for x
    x = 99,361,024/8,960
  6. Step 6: Final answer
    x = 11,089.40

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.