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Finding the Third Proportional to 1,916,185.50 and 4,172,571

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Solution

The third proportional to 1,916,185.50 and 4,172,571 is: 9,085,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,185.50 : 4,172,571 = 4,172,571 : x
  2. Step 2: Convert to fraction form
    1,916,185.50/4,172,571 = 4,172,571/x
  3. Step 3: Cross multiply
    1,916,185.50x = 4,172,571 × 4,172,571
  4. Step 4: Simplify right side
    1,916,185.50x = 17,410,348,750,041
  5. Step 5: Solve for x
    x = 17,410,348,750,041/1,916,185.50
  6. Step 6: Final answer
    x = 9,085,941.18

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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.