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Finding the Third Proportional to 641,303.58 and 1,393,494.89

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Solution

The third proportional to 641,303.58 and 1,393,494.89 is: 3,027,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,303.58 : 1,393,494.89 = 1,393,494.89 : x
  2. Step 2: Convert to fraction form
    641,303.58/1,393,494.89 = 1,393,494.89/x
  3. Step 3: Cross multiply
    641,303.58x = 1,393,494.89 × 1,393,494.89
  4. Step 4: Simplify right side
    641,303.58x = 1,941,828,010,197.98
  5. Step 5: Solve for x
    x = 1,941,828,010,197.98/641,303.58
  6. Step 6: Final answer
    x = 3,027,938.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.