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Finding the Third Proportional to 7,390 and 11,444

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Solution

The third proportional to 7,390 and 11,444 is: 17,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390 : 11,444 = 11,444 : x
  2. Step 2: Convert to fraction form
    7,390/11,444 = 11,444/x
  3. Step 3: Cross multiply
    7,390x = 11,444 × 11,444
  4. Step 4: Simplify right side
    7,390x = 130,965,136
  5. Step 5: Solve for x
    x = 130,965,136/7,390
  6. Step 6: Final answer
    x = 17,721.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.