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Finding the Third Proportional to 262,600.50 and 405,546

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Solution

The third proportional to 262,600.50 and 405,546 is: 626,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,600.50 : 405,546 = 405,546 : x
  2. Step 2: Convert to fraction form
    262,600.50/405,546 = 405,546/x
  3. Step 3: Cross multiply
    262,600.50x = 405,546 × 405,546
  4. Step 4: Simplify right side
    262,600.50x = 164,467,558,116
  5. Step 5: Solve for x
    x = 164,467,558,116/262,600.50
  6. Step 6: Final answer
    x = 626,303.29

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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.