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Finding the Third Proportional to 118,494 and 188,445

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Solution

The third proportional to 118,494 and 188,445 is: 299,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,494 : 188,445 = 188,445 : x
  2. Step 2: Convert to fraction form
    118,494/188,445 = 188,445/x
  3. Step 3: Cross multiply
    118,494x = 188,445 × 188,445
  4. Step 4: Simplify right side
    118,494x = 35,511,518,025
  5. Step 5: Solve for x
    x = 35,511,518,025/118,494
  6. Step 6: Final answer
    x = 299,690.43

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.