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Finding the Third Proportional to 8,967 and 21,319.50

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Solution

The third proportional to 8,967 and 21,319.50 is: 50,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967 : 21,319.50 = 21,319.50 : x
  2. Step 2: Convert to fraction form
    8,967/21,319.50 = 21,319.50/x
  3. Step 3: Cross multiply
    8,967x = 21,319.50 × 21,319.50
  4. Step 4: Simplify right side
    8,967x = 454,521,080.25
  5. Step 5: Solve for x
    x = 454,521,080.25/8,967
  6. Step 6: Final answer
    x = 50,688.20

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.