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Finding the Third Proportional to 102,975 and 164,455

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Solution

The third proportional to 102,975 and 164,455 is: 262,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975 : 164,455 = 164,455 : x
  2. Step 2: Convert to fraction form
    102,975/164,455 = 164,455/x
  3. Step 3: Cross multiply
    102,975x = 164,455 × 164,455
  4. Step 4: Simplify right side
    102,975x = 27,045,447,025
  5. Step 5: Solve for x
    x = 27,045,447,025/102,975
  6. Step 6: Final answer
    x = 262,640.90

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.