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Finding the Third Proportional to 223,738 and 345,660

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Solution

The third proportional to 223,738 and 345,660 is: 534,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,738 : 345,660 = 345,660 : x
  2. Step 2: Convert to fraction form
    223,738/345,660 = 345,660/x
  3. Step 3: Cross multiply
    223,738x = 345,660 × 345,660
  4. Step 4: Simplify right side
    223,738x = 119,480,835,600
  5. Step 5: Solve for x
    x = 119,480,835,600/223,738
  6. Step 6: Final answer
    x = 534,021.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.