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Finding the Third Proportional to 2,024 and 2,390

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Solution

The third proportional to 2,024 and 2,390 is: 2,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024 : 2,390 = 2,390 : x
  2. Step 2: Convert to fraction form
    2,024/2,390 = 2,390/x
  3. Step 3: Cross multiply
    2,024x = 2,390 × 2,390
  4. Step 4: Simplify right side
    2,024x = 5,712,100
  5. Step 5: Solve for x
    x = 5,712,100/2,024
  6. Step 6: Final answer
    x = 2,822.18

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.