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Finding the Third Proportional to 2,398 and 2,623

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Solution

The third proportional to 2,398 and 2,623 is: 2,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398 : 2,623 = 2,623 : x
  2. Step 2: Convert to fraction form
    2,398/2,623 = 2,623/x
  3. Step 3: Cross multiply
    2,398x = 2,623 × 2,623
  4. Step 4: Simplify right side
    2,398x = 6,880,129
  5. Step 5: Solve for x
    x = 6,880,129/2,398
  6. Step 6: Final answer
    x = 2,869.11

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.