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Finding the Third Proportional to 622,950.75 and 890,821.13

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Solution

The third proportional to 622,950.75 and 890,821.13 is: 1,273,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,950.75 : 890,821.13 = 890,821.13 : x
  2. Step 2: Convert to fraction form
    622,950.75/890,821.13 = 890,821.13/x
  3. Step 3: Cross multiply
    622,950.75x = 890,821.13 × 890,821.13
  4. Step 4: Simplify right side
    622,950.75x = 793,562,276,746.27
  5. Step 5: Solve for x
    x = 793,562,276,746.27/622,950.75
  6. Step 6: Final answer
    x = 1,273,876.43

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.