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Finding the Third Proportional to 874,450 and 1,319,707

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Solution

The third proportional to 874,450 and 1,319,707 is: 1,991,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,450 : 1,319,707 = 1,319,707 : x
  2. Step 2: Convert to fraction form
    874,450/1,319,707 = 1,319,707/x
  3. Step 3: Cross multiply
    874,450x = 1,319,707 × 1,319,707
  4. Step 4: Simplify right side
    874,450x = 1,741,626,565,849
  5. Step 5: Solve for x
    x = 1,741,626,565,849/874,450
  6. Step 6: Final answer
    x = 1,991,682.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.