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Finding the Third Proportional to 743,640.75 and 1,605,349.13

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Solution

The third proportional to 743,640.75 and 1,605,349.13 is: 3,465,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,640.75 : 1,605,349.13 = 1,605,349.13 : x
  2. Step 2: Convert to fraction form
    743,640.75/1,605,349.13 = 1,605,349.13/x
  3. Step 3: Cross multiply
    743,640.75x = 1,605,349.13 × 1,605,349.13
  4. Step 4: Simplify right side
    743,640.75x = 2,577,145,813,138.27
  5. Step 5: Solve for x
    x = 2,577,145,813,138.27/743,640.75
  6. Step 6: Final answer
    x = 3,465,579.06

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.