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Finding the Third Proportional to 30,796 and 45,168

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Solution

The third proportional to 30,796 and 45,168 is: 66,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,796 : 45,168 = 45,168 : x
  2. Step 2: Convert to fraction form
    30,796/45,168 = 45,168/x
  3. Step 3: Cross multiply
    30,796x = 45,168 × 45,168
  4. Step 4: Simplify right side
    30,796x = 2,040,148,224
  5. Step 5: Solve for x
    x = 2,040,148,224/30,796
  6. Step 6: Final answer
    x = 66,247.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.