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Finding the Third Proportional to 3,426,352.31 and 7,618,617.84

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Solution

The third proportional to 3,426,352.31 and 7,618,617.84 is: 16,940,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,352.31 : 7,618,617.84 = 7,618,617.84 : x
  2. Step 2: Convert to fraction form
    3,426,352.31/7,618,617.84 = 7,618,617.84/x
  3. Step 3: Cross multiply
    3,426,352.31x = 7,618,617.84 × 7,618,617.84
  4. Step 4: Simplify right side
    3,426,352.31x = 58,043,337,849,105.90
  5. Step 5: Solve for x
    x = 58,043,337,849,105.90/3,426,352.31
  6. Step 6: Final answer
    x = 16,940,271.33

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.