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Finding the Third Proportional to 79,094.25 and 120,989.25

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Solution

The third proportional to 79,094.25 and 120,989.25 is: 185,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,094.25 : 120,989.25 = 120,989.25 : x
  2. Step 2: Convert to fraction form
    79,094.25/120,989.25 = 120,989.25/x
  3. Step 3: Cross multiply
    79,094.25x = 120,989.25 × 120,989.25
  4. Step 4: Simplify right side
    79,094.25x = 14,638,398,615.56
  5. Step 5: Solve for x
    x = 14,638,398,615.56/79,094.25
  6. Step 6: Final answer
    x = 185,075.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.