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Finding the Third Proportional to 12,752 and 19,696

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Solution

The third proportional to 12,752 and 19,696 is: 30,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752 : 19,696 = 19,696 : x
  2. Step 2: Convert to fraction form
    12,752/19,696 = 19,696/x
  3. Step 3: Cross multiply
    12,752x = 19,696 × 19,696
  4. Step 4: Simplify right side
    12,752x = 387,932,416
  5. Step 5: Solve for x
    x = 387,932,416/12,752
  6. Step 6: Final answer
    x = 30,421.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.