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Finding the Third Proportional to 641,167.50 and 1,393,455

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Solution

The third proportional to 641,167.50 and 1,393,455 is: 3,028,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,167.50 : 1,393,455 = 1,393,455 : x
  2. Step 2: Convert to fraction form
    641,167.50/1,393,455 = 1,393,455/x
  3. Step 3: Cross multiply
    641,167.50x = 1,393,455 × 1,393,455
  4. Step 4: Simplify right side
    641,167.50x = 1,941,716,837,025
  5. Step 5: Solve for x
    x = 1,941,716,837,025/641,167.50
  6. Step 6: Final answer
    x = 3,028,408.08

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