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Finding the Third Proportional to 155,768 and 236,728

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Solution

The third proportional to 155,768 and 236,728 is: 359,766.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,768 : 236,728 = 236,728 : x
  2. Step 2: Convert to fraction form
    155,768/236,728 = 236,728/x
  3. Step 3: Cross multiply
    155,768x = 236,728 × 236,728
  4. Step 4: Simplify right side
    155,768x = 56,040,145,984
  5. Step 5: Solve for x
    x = 56,040,145,984/155,768
  6. Step 6: Final answer
    x = 359,766.74

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.