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Finding the Third Proportional to 2,019 and 5,297

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Solution

The third proportional to 2,019 and 5,297 is: 13,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019 : 5,297 = 5,297 : x
  2. Step 2: Convert to fraction form
    2,019/5,297 = 5,297/x
  3. Step 3: Cross multiply
    2,019x = 5,297 × 5,297
  4. Step 4: Simplify right side
    2,019x = 28,058,209
  5. Step 5: Solve for x
    x = 28,058,209/2,019
  6. Step 6: Final answer
    x = 13,897.08

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Why These Related Problems?

These problems maintain the same ratio (2.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.