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Finding the Third Proportional to 410,379.75 and 613,922.63

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Solution

The third proportional to 410,379.75 and 613,922.63 is: 918,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,379.75 : 613,922.63 = 613,922.63 : x
  2. Step 2: Convert to fraction form
    410,379.75/613,922.63 = 613,922.63/x
  3. Step 3: Cross multiply
    410,379.75x = 613,922.63 × 613,922.63
  4. Step 4: Simplify right side
    410,379.75x = 376,900,989,486.89
  5. Step 5: Solve for x
    x = 376,900,989,486.89/410,379.75
  6. Step 6: Final answer
    x = 918,420.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.