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Finding the Third Proportional to 70,800 and 104,580

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Solution

The third proportional to 70,800 and 104,580 is: 154,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,800 : 104,580 = 104,580 : x
  2. Step 2: Convert to fraction form
    70,800/104,580 = 104,580/x
  3. Step 3: Cross multiply
    70,800x = 104,580 × 104,580
  4. Step 4: Simplify right side
    70,800x = 10,936,976,400
  5. Step 5: Solve for x
    x = 10,936,976,400/70,800
  6. Step 6: Final answer
    x = 154,477.07

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.