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Finding the Third Proportional to 12,335 and 19,329

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Solution

The third proportional to 12,335 and 19,329 is: 30,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335 : 19,329 = 19,329 : x
  2. Step 2: Convert to fraction form
    12,335/19,329 = 19,329/x
  3. Step 3: Cross multiply
    12,335x = 19,329 × 19,329
  4. Step 4: Simplify right side
    12,335x = 373,610,241
  5. Step 5: Solve for x
    x = 373,610,241/12,335
  6. Step 6: Final answer
    x = 30,288.63

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.