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Finding the Third Proportional to 9,354.55 and 20,208.39

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Solution

The third proportional to 9,354.55 and 20,208.39 is: 43,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.55 : 20,208.39 = 20,208.39 : x
  2. Step 2: Convert to fraction form
    9,354.55/20,208.39 = 20,208.39/x
  3. Step 3: Cross multiply
    9,354.55x = 20,208.39 × 20,208.39
  4. Step 4: Simplify right side
    9,354.55x = 408,379,130.59
  5. Step 5: Solve for x
    x = 408,379,130.59/9,354.55
  6. Step 6: Final answer
    x = 43,655.66

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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.