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Finding the Third Proportional to 419,566.50 and 920,787.75

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Solution

The third proportional to 419,566.50 and 920,787.75 is: 2,020,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,566.50 : 920,787.75 = 920,787.75 : x
  2. Step 2: Convert to fraction form
    419,566.50/920,787.75 = 920,787.75/x
  3. Step 3: Cross multiply
    419,566.50x = 920,787.75 × 920,787.75
  4. Step 4: Simplify right side
    419,566.50x = 847,850,080,550.06
  5. Step 5: Solve for x
    x = 847,850,080,550.06/419,566.50
  6. Step 6: Final answer
    x = 2,020,776.40

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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.