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Finding the Third Proportional to 248,548.50 and 388,815.19

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Solution

The third proportional to 248,548.50 and 388,815.19 is: 608,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,548.50 : 388,815.19 = 388,815.19 : x
  2. Step 2: Convert to fraction form
    248,548.50/388,815.19 = 388,815.19/x
  3. Step 3: Cross multiply
    248,548.50x = 388,815.19 × 388,815.19
  4. Step 4: Simplify right side
    248,548.50x = 151,177,250,030.66
  5. Step 5: Solve for x
    x = 151,177,250,030.66/248,548.50
  6. Step 6: Final answer
    x = 608,240.44

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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.