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Finding the Third Proportional to 4,621.50 and 9,857.25

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Solution

The third proportional to 4,621.50 and 9,857.25 is: 21,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.50 : 9,857.25 = 9,857.25 : x
  2. Step 2: Convert to fraction form
    4,621.50/9,857.25 = 9,857.25/x
  3. Step 3: Cross multiply
    4,621.50x = 9,857.25 × 9,857.25
  4. Step 4: Simplify right side
    4,621.50x = 97,165,377.56
  5. Step 5: Solve for x
    x = 97,165,377.56/4,621.50
  6. Step 6: Final answer
    x = 21,024.64

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.