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Finding the Third Proportional to 1,393,455.38 and 2,036,415.38

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Solution

The third proportional to 1,393,455.38 and 2,036,415.38 is: 2,976,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,455.38 : 2,036,415.38 = 2,036,415.38 : x
  2. Step 2: Convert to fraction form
    1,393,455.38/2,036,415.38 = 2,036,415.38/x
  3. Step 3: Cross multiply
    1,393,455.38x = 2,036,415.38 × 2,036,415.38
  4. Step 4: Simplify right side
    1,393,455.38x = 4,146,987,579,536.39
  5. Step 5: Solve for x
    x = 4,146,987,579,536.39/1,393,455.38
  6. Step 6: Final answer
    x = 2,976,046.20

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.