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Finding the Third Proportional to 1,018,596.09 and 2,158,634.81

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Solution

The third proportional to 1,018,596.09 and 2,158,634.81 is: 4,574,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,596.09 : 2,158,634.81 = 2,158,634.81 : x
  2. Step 2: Convert to fraction form
    1,018,596.09/2,158,634.81 = 2,158,634.81/x
  3. Step 3: Cross multiply
    1,018,596.09x = 2,158,634.81 × 2,158,634.81
  4. Step 4: Simplify right side
    1,018,596.09x = 4,659,704,253,736.91
  5. Step 5: Solve for x
    x = 4,659,704,253,736.91/1,018,596.09
  6. Step 6: Final answer
    x = 4,574,633.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.