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Finding the Third Proportional to 39,498.50 and 84,556

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Solution

The third proportional to 39,498.50 and 84,556 is: 181,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.50 : 84,556 = 84,556 : x
  2. Step 2: Convert to fraction form
    39,498.50/84,556 = 84,556/x
  3. Step 3: Cross multiply
    39,498.50x = 84,556 × 84,556
  4. Step 4: Simplify right side
    39,498.50x = 7,149,717,136
  5. Step 5: Solve for x
    x = 7,149,717,136/39,498.50
  6. Step 6: Final answer
    x = 181,012.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.