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Finding the Third Proportional to 4,270.50 and 9,243

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Solution

The third proportional to 4,270.50 and 9,243 is: 20,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.50 : 9,243 = 9,243 : x
  2. Step 2: Convert to fraction form
    4,270.50/9,243 = 9,243/x
  3. Step 3: Cross multiply
    4,270.50x = 9,243 × 9,243
  4. Step 4: Simplify right side
    4,270.50x = 85,433,049
  5. Step 5: Solve for x
    x = 85,433,049/4,270.50
  6. Step 6: Final answer
    x = 20,005.40

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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.