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Finding the Third Proportional to 8,958 and 15,550

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Solution

The third proportional to 8,958 and 15,550 is: 26,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958 : 15,550 = 15,550 : x
  2. Step 2: Convert to fraction form
    8,958/15,550 = 15,550/x
  3. Step 3: Cross multiply
    8,958x = 15,550 × 15,550
  4. Step 4: Simplify right side
    8,958x = 241,802,500
  5. Step 5: Solve for x
    x = 241,802,500/8,958
  6. Step 6: Final answer
    x = 26,992.91

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Why These Related Problems?

These problems maintain the same ratio (1.74) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.