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Finding the Third Proportional to 918,991.13 and 1,997,371.13

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Solution

The third proportional to 918,991.13 and 1,997,371.13 is: 4,341,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,991.13 : 1,997,371.13 = 1,997,371.13 : x
  2. Step 2: Convert to fraction form
    918,991.13/1,997,371.13 = 1,997,371.13/x
  3. Step 3: Cross multiply
    918,991.13x = 1,997,371.13 × 1,997,371.13
  4. Step 4: Simplify right side
    918,991.13x = 3,989,491,410,983.77
  5. Step 5: Solve for x
    x = 3,989,491,410,983.77/918,991.13
  6. Step 6: Final answer
    x = 4,341,164.24

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Why These Related Problems?

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