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Finding the Third Proportional to 486,660 and 650,974

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Solution

The third proportional to 486,660 and 650,974 is: 870,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,660 : 650,974 = 650,974 : x
  2. Step 2: Convert to fraction form
    486,660/650,974 = 650,974/x
  3. Step 3: Cross multiply
    486,660x = 650,974 × 650,974
  4. Step 4: Simplify right side
    486,660x = 423,767,148,676
  5. Step 5: Solve for x
    x = 423,767,148,676/486,660
  6. Step 6: Final answer
    x = 870,766.34

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.