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Finding the Third Proportional to 260,934.75 and 403,191

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Solution

The third proportional to 260,934.75 and 403,191 is: 623,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,934.75 : 403,191 = 403,191 : x
  2. Step 2: Convert to fraction form
    260,934.75/403,191 = 403,191/x
  3. Step 3: Cross multiply
    260,934.75x = 403,191 × 403,191
  4. Step 4: Simplify right side
    260,934.75x = 162,562,982,481
  5. Step 5: Solve for x
    x = 162,562,982,481/260,934.75
  6. Step 6: Final answer
    x = 623,002.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.