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Finding the Third Proportional to 5,803 and 6,640

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Solution

The third proportional to 5,803 and 6,640 is: 7,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803 : 6,640 = 6,640 : x
  2. Step 2: Convert to fraction form
    5,803/6,640 = 6,640/x
  3. Step 3: Cross multiply
    5,803x = 6,640 × 6,640
  4. Step 4: Simplify right side
    5,803x = 44,089,600
  5. Step 5: Solve for x
    x = 44,089,600/5,803
  6. Step 6: Final answer
    x = 7,597.73

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.