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Finding the Third Proportional to 76,485 and 164,041

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Solution

The third proportional to 76,485 and 164,041 is: 351,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485 : 164,041 = 164,041 : x
  2. Step 2: Convert to fraction form
    76,485/164,041 = 164,041/x
  3. Step 3: Cross multiply
    76,485x = 164,041 × 164,041
  4. Step 4: Simplify right side
    76,485x = 26,909,449,681
  5. Step 5: Solve for x
    x = 26,909,449,681/76,485
  6. Step 6: Final answer
    x = 351,826.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.