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Finding the Third Proportional to 7,430 and 18,197

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Solution

The third proportional to 7,430 and 18,197 is: 44,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430 : 18,197 = 18,197 : x
  2. Step 2: Convert to fraction form
    7,430/18,197 = 18,197/x
  3. Step 3: Cross multiply
    7,430x = 18,197 × 18,197
  4. Step 4: Simplify right side
    7,430x = 331,130,809
  5. Step 5: Solve for x
    x = 331,130,809/7,430
  6. Step 6: Final answer
    x = 44,566.73

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.