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Finding the Third Proportional to 262,608.75 and 405,577.13

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Solution

The third proportional to 262,608.75 and 405,577.13 is: 626,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,608.75 : 405,577.13 = 405,577.13 : x
  2. Step 2: Convert to fraction form
    262,608.75/405,577.13 = 405,577.13/x
  3. Step 3: Cross multiply
    262,608.75x = 405,577.13 × 405,577.13
  4. Step 4: Simplify right side
    262,608.75x = 164,492,804,323.27
  5. Step 5: Solve for x
    x = 164,492,804,323.27/262,608.75
  6. Step 6: Final answer
    x = 626,379.75

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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.