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Finding the Third Proportional to 382,108.50 and 809,734.50

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Solution

The third proportional to 382,108.50 and 809,734.50 is: 1,715,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,108.50 : 809,734.50 = 809,734.50 : x
  2. Step 2: Convert to fraction form
    382,108.50/809,734.50 = 809,734.50/x
  3. Step 3: Cross multiply
    382,108.50x = 809,734.50 × 809,734.50
  4. Step 4: Simplify right side
    382,108.50x = 655,669,960,490.25
  5. Step 5: Solve for x
    x = 655,669,960,490.25/382,108.50
  6. Step 6: Final answer
    x = 1,715,926.13

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.