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Finding the Third Proportional to 30,489 and 46,274

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Solution

The third proportional to 30,489 and 46,274 is: 70,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,489 : 46,274 = 46,274 : x
  2. Step 2: Convert to fraction form
    30,489/46,274 = 46,274/x
  3. Step 3: Cross multiply
    30,489x = 46,274 × 46,274
  4. Step 4: Simplify right side
    30,489x = 2,141,283,076
  5. Step 5: Solve for x
    x = 2,141,283,076/30,489
  6. Step 6: Final answer
    x = 70,231.33

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.