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Finding the Third Proportional to 74,068 and 105,844

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Solution

The third proportional to 74,068 and 105,844 is: 151,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,068 : 105,844 = 105,844 : x
  2. Step 2: Convert to fraction form
    74,068/105,844 = 105,844/x
  3. Step 3: Cross multiply
    74,068x = 105,844 × 105,844
  4. Step 4: Simplify right side
    74,068x = 11,202,952,336
  5. Step 5: Solve for x
    x = 11,202,952,336/74,068
  6. Step 6: Final answer
    x = 151,252.26

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.