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Finding the Third Proportional to 248,103 and 394,303.50

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Solution

The third proportional to 248,103 and 394,303.50 is: 626,656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,103 : 394,303.50 = 394,303.50 : x
  2. Step 2: Convert to fraction form
    248,103/394,303.50 = 394,303.50/x
  3. Step 3: Cross multiply
    248,103x = 394,303.50 × 394,303.50
  4. Step 4: Simplify right side
    248,103x = 155,475,250,112.25
  5. Step 5: Solve for x
    x = 155,475,250,112.25/248,103
  6. Step 6: Final answer
    x = 626,656.07

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.