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Finding the Third Proportional to 155,445.75 and 237,678.75

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Solution

The third proportional to 155,445.75 and 237,678.75 is: 363,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,445.75 : 237,678.75 = 237,678.75 : x
  2. Step 2: Convert to fraction form
    155,445.75/237,678.75 = 237,678.75/x
  3. Step 3: Cross multiply
    155,445.75x = 237,678.75 × 237,678.75
  4. Step 4: Simplify right side
    155,445.75x = 56,491,188,201.56
  5. Step 5: Solve for x
    x = 56,491,188,201.56/155,445.75
  6. Step 6: Final answer
    x = 363,414.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.