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Finding the Third Proportional to 74,836 and 160,048

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Solution

The third proportional to 74,836 and 160,048 is: 342,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836 : 160,048 = 160,048 : x
  2. Step 2: Convert to fraction form
    74,836/160,048 = 160,048/x
  3. Step 3: Cross multiply
    74,836x = 160,048 × 160,048
  4. Step 4: Simplify right side
    74,836x = 25,615,362,304
  5. Step 5: Solve for x
    x = 25,615,362,304/74,836
  6. Step 6: Final answer
    x = 342,286.63

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.