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Finding the Third Proportional to 1,213,443.28 and 2,616,096.23

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Solution

The third proportional to 1,213,443.28 and 2,616,096.23 is: 5,640,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,443.28 : 2,616,096.23 = 2,616,096.23 : x
  2. Step 2: Convert to fraction form
    1,213,443.28/2,616,096.23 = 2,616,096.23/x
  3. Step 3: Cross multiply
    1,213,443.28x = 2,616,096.23 × 2,616,096.23
  4. Step 4: Simplify right side
    1,213,443.28x = 6,843,959,507,511.06
  5. Step 5: Solve for x
    x = 6,843,959,507,511.06/1,213,443.28
  6. Step 6: Final answer
    x = 5,640,114.88

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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.