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Finding the Third Proportional to 73,916 and 162,124

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Solution

The third proportional to 73,916 and 162,124 is: 355,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,916 : 162,124 = 162,124 : x
  2. Step 2: Convert to fraction form
    73,916/162,124 = 162,124/x
  3. Step 3: Cross multiply
    73,916x = 162,124 × 162,124
  4. Step 4: Simplify right side
    73,916x = 26,284,191,376
  5. Step 5: Solve for x
    x = 26,284,191,376/73,916
  6. Step 6: Final answer
    x = 355,595.42

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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.