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Finding the Third Proportional to 73,072 and 159,672

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Solution

The third proportional to 73,072 and 159,672 is: 348,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,072 : 159,672 = 159,672 : x
  2. Step 2: Convert to fraction form
    73,072/159,672 = 159,672/x
  3. Step 3: Cross multiply
    73,072x = 159,672 × 159,672
  4. Step 4: Simplify right side
    73,072x = 25,495,147,584
  5. Step 5: Solve for x
    x = 25,495,147,584/73,072
  6. Step 6: Final answer
    x = 348,904.47

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.