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Finding the Third Proportional to 3,723 and 5,313

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Solution

The third proportional to 3,723 and 5,313 is: 7,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723 : 5,313 = 5,313 : x
  2. Step 2: Convert to fraction form
    3,723/5,313 = 5,313/x
  3. Step 3: Cross multiply
    3,723x = 5,313 × 5,313
  4. Step 4: Simplify right side
    3,723x = 28,227,969
  5. Step 5: Solve for x
    x = 28,227,969/3,723
  6. Step 6: Final answer
    x = 7,582.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.