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Finding the Third Proportional to 202.50 and 437.63

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Solution

The third proportional to 202.50 and 437.63 is: 945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.50 : 437.63 = 437.63 : x
  2. Step 2: Convert to fraction form
    202.50/437.63 = 437.63/x
  3. Step 3: Cross multiply
    202.50x = 437.63 × 437.63
  4. Step 4: Simplify right side
    202.50x = 191,515.64
  5. Step 5: Solve for x
    x = 191,515.64/202.50
  6. Step 6: Final answer
    x = 945.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.