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Finding the Third Proportional to 810,758 and 1,876,690

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Solution

The third proportional to 810,758 and 1,876,690 is: 4,344,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,758 : 1,876,690 = 1,876,690 : x
  2. Step 2: Convert to fraction form
    810,758/1,876,690 = 1,876,690/x
  3. Step 3: Cross multiply
    810,758x = 1,876,690 × 1,876,690
  4. Step 4: Simplify right side
    810,758x = 3,521,965,356,100
  5. Step 5: Solve for x
    x = 3,521,965,356,100/810,758
  6. Step 6: Final answer
    x = 4,344,040.21

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.