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Finding the Third Proportional to 12,852 and 19,470

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Solution

The third proportional to 12,852 and 19,470 is: 29,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852 : 19,470 = 19,470 : x
  2. Step 2: Convert to fraction form
    12,852/19,470 = 19,470/x
  3. Step 3: Cross multiply
    12,852x = 19,470 × 19,470
  4. Step 4: Simplify right side
    12,852x = 379,080,900
  5. Step 5: Solve for x
    x = 379,080,900/12,852
  6. Step 6: Final answer
    x = 29,495.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.