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Finding the Third Proportional to 1,676 and 2,590

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Solution

The third proportional to 1,676 and 2,590 is: 4,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676 : 2,590 = 2,590 : x
  2. Step 2: Convert to fraction form
    1,676/2,590 = 2,590/x
  3. Step 3: Cross multiply
    1,676x = 2,590 × 2,590
  4. Step 4: Simplify right side
    1,676x = 6,708,100
  5. Step 5: Solve for x
    x = 6,708,100/1,676
  6. Step 6: Final answer
    x = 4,002.45

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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.