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Finding the Third Proportional to 74,693 and 160,906

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Solution

The third proportional to 74,693 and 160,906 is: 346,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693 : 160,906 = 160,906 : x
  2. Step 2: Convert to fraction form
    74,693/160,906 = 160,906/x
  3. Step 3: Cross multiply
    74,693x = 160,906 × 160,906
  4. Step 4: Simplify right side
    74,693x = 25,890,740,836
  5. Step 5: Solve for x
    x = 25,890,740,836/74,693
  6. Step 6: Final answer
    x = 346,628.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.