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Finding the Third Proportional to 223.13 and 503.81

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Solution

The third proportional to 223.13 and 503.81 is: 1,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.13 : 503.81 = 503.81 : x
  2. Step 2: Convert to fraction form
    223.13/503.81 = 503.81/x
  3. Step 3: Cross multiply
    223.13x = 503.81 × 503.81
  4. Step 4: Simplify right side
    223.13x = 253,827.04
  5. Step 5: Solve for x
    x = 253,827.04/223.13
  6. Step 6: Final answer
    x = 1,137.60

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.