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Finding the Third Proportional to 2,119,617 and 4,642,317

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Solution

The third proportional to 2,119,617 and 4,642,317 is: 10,167,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,617 : 4,642,317 = 4,642,317 : x
  2. Step 2: Convert to fraction form
    2,119,617/4,642,317 = 4,642,317/x
  3. Step 3: Cross multiply
    2,119,617x = 4,642,317 × 4,642,317
  4. Step 4: Simplify right side
    2,119,617x = 21,551,107,128,489
  5. Step 5: Solve for x
    x = 21,551,107,128,489/2,119,617
  6. Step 6: Final answer
    x = 10,167,453.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.