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Finding the Third Proportional to 76,916 and 164,037

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Solution

The third proportional to 76,916 and 164,037 is: 349,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,916 : 164,037 = 164,037 : x
  2. Step 2: Convert to fraction form
    76,916/164,037 = 164,037/x
  3. Step 3: Cross multiply
    76,916x = 164,037 × 164,037
  4. Step 4: Simplify right side
    76,916x = 26,908,137,369
  5. Step 5: Solve for x
    x = 26,908,137,369/76,916
  6. Step 6: Final answer
    x = 349,837.97

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.