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Finding the Third Proportional to 248,556.50 and 388,829.75

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Solution

The third proportional to 248,556.50 and 388,829.75 is: 608,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,556.50 : 388,829.75 = 388,829.75 : x
  2. Step 2: Convert to fraction form
    248,556.50/388,829.75 = 388,829.75/x
  3. Step 3: Cross multiply
    248,556.50x = 388,829.75 × 388,829.75
  4. Step 4: Simplify right side
    248,556.50x = 151,188,574,485.06
  5. Step 5: Solve for x
    x = 151,188,574,485.06/248,556.50
  6. Step 6: Final answer
    x = 608,266.43

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.