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Finding the Third Proportional to 870,945 and 1,776,881

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Solution

The third proportional to 870,945 and 1,776,881 is: 3,625,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,945 : 1,776,881 = 1,776,881 : x
  2. Step 2: Convert to fraction form
    870,945/1,776,881 = 1,776,881/x
  3. Step 3: Cross multiply
    870,945x = 1,776,881 × 1,776,881
  4. Step 4: Simplify right side
    870,945x = 3,157,306,088,161
  5. Step 5: Solve for x
    x = 3,157,306,088,161/870,945
  6. Step 6: Final answer
    x = 3,625,149.79

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.