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Finding the Third Proportional to 30,054 and 43,530

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Solution

The third proportional to 30,054 and 43,530 is: 63,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054 : 43,530 = 43,530 : x
  2. Step 2: Convert to fraction form
    30,054/43,530 = 43,530/x
  3. Step 3: Cross multiply
    30,054x = 43,530 × 43,530
  4. Step 4: Simplify right side
    30,054x = 1,894,860,900
  5. Step 5: Solve for x
    x = 1,894,860,900/30,054
  6. Step 6: Final answer
    x = 63,048.54

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.