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Finding the Third Proportional to 116,783 and 180,621

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Solution

The third proportional to 116,783 and 180,621 is: 279,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,783 : 180,621 = 180,621 : x
  2. Step 2: Convert to fraction form
    116,783/180,621 = 180,621/x
  3. Step 3: Cross multiply
    116,783x = 180,621 × 180,621
  4. Step 4: Simplify right side
    116,783x = 32,623,945,641
  5. Step 5: Solve for x
    x = 32,623,945,641/116,783
  6. Step 6: Final answer
    x = 279,355.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.