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Finding the Third Proportional to 74,622 and 118,158

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Solution

The third proportional to 74,622 and 118,158 is: 187,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622 : 118,158 = 118,158 : x
  2. Step 2: Convert to fraction form
    74,622/118,158 = 118,158/x
  3. Step 3: Cross multiply
    74,622x = 118,158 × 118,158
  4. Step 4: Simplify right side
    74,622x = 13,961,312,964
  5. Step 5: Solve for x
    x = 13,961,312,964/74,622
  6. Step 6: Final answer
    x = 187,093.79

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.