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Finding the Third Proportional to 13,328 and 19,752

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Solution

The third proportional to 13,328 and 19,752 is: 29,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328 : 19,752 = 19,752 : x
  2. Step 2: Convert to fraction form
    13,328/19,752 = 19,752/x
  3. Step 3: Cross multiply
    13,328x = 19,752 × 19,752
  4. Step 4: Simplify right side
    13,328x = 390,141,504
  5. Step 5: Solve for x
    x = 390,141,504/13,328
  6. Step 6: Final answer
    x = 29,272.32

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.