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Finding the Third Proportional to 73,126 and 158,780

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Solution

The third proportional to 73,126 and 158,780 is: 344,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,126 : 158,780 = 158,780 : x
  2. Step 2: Convert to fraction form
    73,126/158,780 = 158,780/x
  3. Step 3: Cross multiply
    73,126x = 158,780 × 158,780
  4. Step 4: Simplify right side
    73,126x = 25,211,088,400
  5. Step 5: Solve for x
    x = 25,211,088,400/73,126
  6. Step 6: Final answer
    x = 344,762.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.