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Finding the Third Proportional to 30,192 and 45,288

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Solution

The third proportional to 30,192 and 45,288 is: 67,932

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192 : 45,288 = 45,288 : x
  2. Step 2: Convert to fraction form
    30,192/45,288 = 45,288/x
  3. Step 3: Cross multiply
    30,192x = 45,288 × 45,288
  4. Step 4: Simplify right side
    30,192x = 2,051,002,944
  5. Step 5: Solve for x
    x = 2,051,002,944/30,192
  6. Step 6: Final answer
    x = 67,932

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.