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Finding the Third Proportional to 261,936.75 and 575,309.25

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Solution

The third proportional to 261,936.75 and 575,309.25 is: 1,263,590.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,936.75 : 575,309.25 = 575,309.25 : x
  2. Step 2: Convert to fraction form
    261,936.75/575,309.25 = 575,309.25/x
  3. Step 3: Cross multiply
    261,936.75x = 575,309.25 × 575,309.25
  4. Step 4: Simplify right side
    261,936.75x = 330,980,733,135.56
  5. Step 5: Solve for x
    x = 330,980,733,135.56/261,936.75
  6. Step 6: Final answer
    x = 1,263,590.29

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.