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Finding the Third Proportional to 14,145.75 and 19,413

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Solution

The third proportional to 14,145.75 and 19,413 is: 26,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.75 : 19,413 = 19,413 : x
  2. Step 2: Convert to fraction form
    14,145.75/19,413 = 19,413/x
  3. Step 3: Cross multiply
    14,145.75x = 19,413 × 19,413
  4. Step 4: Simplify right side
    14,145.75x = 376,864,569
  5. Step 5: Solve for x
    x = 376,864,569/14,145.75
  6. Step 6: Final answer
    x = 26,641.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.