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Finding the Third Proportional to 74,283 and 162,173

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Solution

The third proportional to 74,283 and 162,173 is: 354,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283 : 162,173 = 162,173 : x
  2. Step 2: Convert to fraction form
    74,283/162,173 = 162,173/x
  3. Step 3: Cross multiply
    74,283x = 162,173 × 162,173
  4. Step 4: Simplify right side
    74,283x = 26,300,081,929
  5. Step 5: Solve for x
    x = 26,300,081,929/74,283
  6. Step 6: Final answer
    x = 354,052.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.