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Finding the Third Proportional to 13,360.78 and 28,230.19

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Solution

The third proportional to 13,360.78 and 28,230.19 is: 59,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.78 : 28,230.19 = 28,230.19 : x
  2. Step 2: Convert to fraction form
    13,360.78/28,230.19 = 28,230.19/x
  3. Step 3: Cross multiply
    13,360.78x = 28,230.19 × 28,230.19
  4. Step 4: Simplify right side
    13,360.78x = 796,943,486.29
  5. Step 5: Solve for x
    x = 796,943,486.29/13,360.78
  6. Step 6: Final answer
    x = 59,647.97

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.