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Finding the Third Proportional to 741,435 and 1,618,788

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Solution

The third proportional to 741,435 and 1,618,788 is: 3,534,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,435 : 1,618,788 = 1,618,788 : x
  2. Step 2: Convert to fraction form
    741,435/1,618,788 = 1,618,788/x
  3. Step 3: Cross multiply
    741,435x = 1,618,788 × 1,618,788
  4. Step 4: Simplify right side
    741,435x = 2,620,474,588,944
  5. Step 5: Solve for x
    x = 2,620,474,588,944/741,435
  6. Step 6: Final answer
    x = 3,534,328.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.