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Finding the Third Proportional to 5,547 and 12,873

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Solution

The third proportional to 5,547 and 12,873 is: 29,874.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547 : 12,873 = 12,873 : x
  2. Step 2: Convert to fraction form
    5,547/12,873 = 12,873/x
  3. Step 3: Cross multiply
    5,547x = 12,873 × 12,873
  4. Step 4: Simplify right side
    5,547x = 165,714,129
  5. Step 5: Solve for x
    x = 165,714,129/5,547
  6. Step 6: Final answer
    x = 29,874.55

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.