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Finding the Third Proportional to 19,118 and 29,530

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Solution

The third proportional to 19,118 and 29,530 is: 45,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118 : 29,530 = 29,530 : x
  2. Step 2: Convert to fraction form
    19,118/29,530 = 29,530/x
  3. Step 3: Cross multiply
    19,118x = 29,530 × 29,530
  4. Step 4: Simplify right side
    19,118x = 872,020,900
  5. Step 5: Solve for x
    x = 872,020,900/19,118
  6. Step 6: Final answer
    x = 45,612.56

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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.