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Finding the Third Proportional to 155,945.25 and 235,467

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Solution

The third proportional to 155,945.25 and 235,467 is: 355,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,945.25 : 235,467 = 235,467 : x
  2. Step 2: Convert to fraction form
    155,945.25/235,467 = 235,467/x
  3. Step 3: Cross multiply
    155,945.25x = 235,467 × 235,467
  4. Step 4: Simplify right side
    155,945.25x = 55,444,708,089
  5. Step 5: Solve for x
    x = 55,444,708,089/155,945.25
  6. Step 6: Final answer
    x = 355,539.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.