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Finding the Third Proportional to 281,992.50 and 436,855.50

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Solution

The third proportional to 281,992.50 and 436,855.50 is: 676,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,992.50 : 436,855.50 = 436,855.50 : x
  2. Step 2: Convert to fraction form
    281,992.50/436,855.50 = 436,855.50/x
  3. Step 3: Cross multiply
    281,992.50x = 436,855.50 × 436,855.50
  4. Step 4: Simplify right side
    281,992.50x = 190,842,727,880.25
  5. Step 5: Solve for x
    x = 190,842,727,880.25/281,992.50
  6. Step 6: Final answer
    x = 676,765.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.