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Finding the Third Proportional to 3,159 and 4,864

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Solution

The third proportional to 3,159 and 4,864 is: 7,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159 : 4,864 = 4,864 : x
  2. Step 2: Convert to fraction form
    3,159/4,864 = 4,864/x
  3. Step 3: Cross multiply
    3,159x = 4,864 × 4,864
  4. Step 4: Simplify right side
    3,159x = 23,658,496
  5. Step 5: Solve for x
    x = 23,658,496/3,159
  6. Step 6: Final answer
    x = 7,489.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.