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Finding the Third Proportional to 12,476 and 15,818

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Solution

The third proportional to 12,476 and 15,818 is: 20,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476 : 15,818 = 15,818 : x
  2. Step 2: Convert to fraction form
    12,476/15,818 = 15,818/x
  3. Step 3: Cross multiply
    12,476x = 15,818 × 15,818
  4. Step 4: Simplify right side
    12,476x = 250,209,124
  5. Step 5: Solve for x
    x = 250,209,124/12,476
  6. Step 6: Final answer
    x = 20,055.24

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.