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Finding the Third Proportional to 120,325.50 and 190,694.25

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Solution

The third proportional to 120,325.50 and 190,694.25 is: 302,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,325.50 : 190,694.25 = 190,694.25 : x
  2. Step 2: Convert to fraction form
    120,325.50/190,694.25 = 190,694.25/x
  3. Step 3: Cross multiply
    120,325.50x = 190,694.25 × 190,694.25
  4. Step 4: Simplify right side
    120,325.50x = 36,364,296,983.06
  5. Step 5: Solve for x
    x = 36,364,296,983.06/120,325.50
  6. Step 6: Final answer
    x = 302,216.05

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.