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Finding the Third Proportional to 305,104.50 and 663,723

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Solution

The third proportional to 305,104.50 and 663,723 is: 1,443,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,104.50 : 663,723 = 663,723 : x
  2. Step 2: Convert to fraction form
    305,104.50/663,723 = 663,723/x
  3. Step 3: Cross multiply
    305,104.50x = 663,723 × 663,723
  4. Step 4: Simplify right side
    305,104.50x = 440,528,220,729
  5. Step 5: Solve for x
    x = 440,528,220,729/305,104.50
  6. Step 6: Final answer
    x = 1,443,860.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.