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Finding the Third Proportional to 2,203 and 4,230.50

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Solution

The third proportional to 2,203 and 4,230.50 is: 8,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203 : 4,230.50 = 4,230.50 : x
  2. Step 2: Convert to fraction form
    2,203/4,230.50 = 4,230.50/x
  3. Step 3: Cross multiply
    2,203x = 4,230.50 × 4,230.50
  4. Step 4: Simplify right side
    2,203x = 17,897,130.25
  5. Step 5: Solve for x
    x = 17,897,130.25/2,203
  6. Step 6: Final answer
    x = 8,123.98

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.