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Finding the Third Proportional to 248,950.50 and 388,977

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Solution

The third proportional to 248,950.50 and 388,977 is: 607,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,950.50 : 388,977 = 388,977 : x
  2. Step 2: Convert to fraction form
    248,950.50/388,977 = 388,977/x
  3. Step 3: Cross multiply
    248,950.50x = 388,977 × 388,977
  4. Step 4: Simplify right side
    248,950.50x = 151,303,106,529
  5. Step 5: Solve for x
    x = 151,303,106,529/248,950.50
  6. Step 6: Final answer
    x = 607,763.82

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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.