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Finding the Third Proportional to 120,804.75 and 262,369.13

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Solution

The third proportional to 120,804.75 and 262,369.13 is: 569,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,804.75 : 262,369.13 = 262,369.13 : x
  2. Step 2: Convert to fraction form
    120,804.75/262,369.13 = 262,369.13/x
  3. Step 3: Cross multiply
    120,804.75x = 262,369.13 × 262,369.13
  4. Step 4: Simplify right side
    120,804.75x = 68,837,557,753.27
  5. Step 5: Solve for x
    x = 68,837,557,753.27/120,804.75
  6. Step 6: Final answer
    x = 569,824.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.