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Finding the Third Proportional to 8,972 and 14,046

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Solution

The third proportional to 8,972 and 14,046 is: 21,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972 : 14,046 = 14,046 : x
  2. Step 2: Convert to fraction form
    8,972/14,046 = 14,046/x
  3. Step 3: Cross multiply
    8,972x = 14,046 × 14,046
  4. Step 4: Simplify right side
    8,972x = 197,290,116
  5. Step 5: Solve for x
    x = 197,290,116/8,972
  6. Step 6: Final answer
    x = 21,989.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.