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Finding the Third Proportional to 74,984 and 162,208

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Solution

The third proportional to 74,984 and 162,208 is: 350,893.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984 : 162,208 = 162,208 : x
  2. Step 2: Convert to fraction form
    74,984/162,208 = 162,208/x
  3. Step 3: Cross multiply
    74,984x = 162,208 × 162,208
  4. Step 4: Simplify right side
    74,984x = 26,311,435,264
  5. Step 5: Solve for x
    x = 26,311,435,264/74,984
  6. Step 6: Final answer
    x = 350,893.99

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.