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Finding the Third Proportional to 7,157 and 14,818

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Solution

The third proportional to 7,157 and 14,818 is: 30,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157 : 14,818 = 14,818 : x
  2. Step 2: Convert to fraction form
    7,157/14,818 = 14,818/x
  3. Step 3: Cross multiply
    7,157x = 14,818 × 14,818
  4. Step 4: Simplify right side
    7,157x = 219,573,124
  5. Step 5: Solve for x
    x = 219,573,124/7,157
  6. Step 6: Final answer
    x = 30,679.49

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.