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Finding the Third Proportional to 4,561.95 and 9,835.80

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Solution

The third proportional to 4,561.95 and 9,835.80 is: 21,206.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.95 : 9,835.80 = 9,835.80 : x
  2. Step 2: Convert to fraction form
    4,561.95/9,835.80 = 9,835.80/x
  3. Step 3: Cross multiply
    4,561.95x = 9,835.80 × 9,835.80
  4. Step 4: Simplify right side
    4,561.95x = 96,743,053.85
  5. Step 5: Solve for x
    x = 96,743,053.85/4,561.95
  6. Step 6: Final answer
    x = 21,206.54

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.