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Finding the Third Proportional to 5,630 and 6,550

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Solution

The third proportional to 5,630 and 6,550 is: 7,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630 : 6,550 = 6,550 : x
  2. Step 2: Convert to fraction form
    5,630/6,550 = 6,550/x
  3. Step 3: Cross multiply
    5,630x = 6,550 × 6,550
  4. Step 4: Simplify right side
    5,630x = 42,902,500
  5. Step 5: Solve for x
    x = 42,902,500/5,630
  6. Step 6: Final answer
    x = 7,620.34

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.