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Finding the Third Proportional to 603,190.55 and 890,752.57

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Solution

The third proportional to 603,190.55 and 890,752.57 is: 1,315,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,190.55 : 890,752.57 = 890,752.57 : x
  2. Step 2: Convert to fraction form
    603,190.55/890,752.57 = 890,752.57/x
  3. Step 3: Cross multiply
    603,190.55x = 890,752.57 × 890,752.57
  4. Step 4: Simplify right side
    603,190.55x = 793,440,141,518.33
  5. Step 5: Solve for x
    x = 793,440,141,518.33/603,190.55
  6. Step 6: Final answer
    x = 1,315,405.46

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.