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Finding the Third Proportional to 606,838.50 and 874,125

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Solution

The third proportional to 606,838.50 and 874,125 is: 1,259,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,838.50 : 874,125 = 874,125 : x
  2. Step 2: Convert to fraction form
    606,838.50/874,125 = 874,125/x
  3. Step 3: Cross multiply
    606,838.50x = 874,125 × 874,125
  4. Step 4: Simplify right side
    606,838.50x = 764,094,515,625
  5. Step 5: Solve for x
    x = 764,094,515,625/606,838.50
  6. Step 6: Final answer
    x = 1,259,139.81

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.