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Finding the Third Proportional to 117,614 and 258,556

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Solution

The third proportional to 117,614 and 258,556 is: 568,394.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,614 : 258,556 = 258,556 : x
  2. Step 2: Convert to fraction form
    117,614/258,556 = 258,556/x
  3. Step 3: Cross multiply
    117,614x = 258,556 × 258,556
  4. Step 4: Simplify right side
    117,614x = 66,851,205,136
  5. Step 5: Solve for x
    x = 66,851,205,136/117,614
  6. Step 6: Final answer
    x = 568,394.96

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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.