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Finding the Third Proportional to 5,820 and 9,019

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Solution

The third proportional to 5,820 and 9,019 is: 13,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820 : 9,019 = 9,019 : x
  2. Step 2: Convert to fraction form
    5,820/9,019 = 9,019/x
  3. Step 3: Cross multiply
    5,820x = 9,019 × 9,019
  4. Step 4: Simplify right side
    5,820x = 81,342,361
  5. Step 5: Solve for x
    x = 81,342,361/5,820
  6. Step 6: Final answer
    x = 13,976.35

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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.