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Finding the Third Proportional to 221.63 and 473.63

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Solution

The third proportional to 221.63 and 473.63 is: 1,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221.63 : 473.63 = 473.63 : x
  2. Step 2: Convert to fraction form
    221.63/473.63 = 473.63/x
  3. Step 3: Cross multiply
    221.63x = 473.63 × 473.63
  4. Step 4: Simplify right side
    221.63x = 224,320.64
  5. Step 5: Solve for x
    x = 224,320.64/221.63
  6. Step 6: Final answer
    x = 1,012.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.