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Finding the Third Proportional to 74,028 and 162,818

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Solution

The third proportional to 74,028 and 162,818 is: 358,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,028 : 162,818 = 162,818 : x
  2. Step 2: Convert to fraction form
    74,028/162,818 = 162,818/x
  3. Step 3: Cross multiply
    74,028x = 162,818 × 162,818
  4. Step 4: Simplify right side
    74,028x = 26,509,701,124
  5. Step 5: Solve for x
    x = 26,509,701,124/74,028
  6. Step 6: Final answer
    x = 358,103.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.