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Finding the Third Proportional to 155,780 and 244,052

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Solution

The third proportional to 155,780 and 244,052 is: 382,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,780 : 244,052 = 244,052 : x
  2. Step 2: Convert to fraction form
    155,780/244,052 = 244,052/x
  3. Step 3: Cross multiply
    155,780x = 244,052 × 244,052
  4. Step 4: Simplify right side
    155,780x = 59,561,378,704
  5. Step 5: Solve for x
    x = 59,561,378,704/155,780
  6. Step 6: Final answer
    x = 382,342.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.