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Finding the Third Proportional to 140,137.50 and 306,582

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Solution

The third proportional to 140,137.50 and 306,582 is: 670,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137.50 : 306,582 = 306,582 : x
  2. Step 2: Convert to fraction form
    140,137.50/306,582 = 306,582/x
  3. Step 3: Cross multiply
    140,137.50x = 306,582 × 306,582
  4. Step 4: Simplify right side
    140,137.50x = 93,992,522,724
  5. Step 5: Solve for x
    x = 93,992,522,724/140,137.50
  6. Step 6: Final answer
    x = 670,716.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.