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Finding the Third Proportional to 362,448 and 784,629

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Solution

The third proportional to 362,448 and 784,629 is: 1,698,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,448 : 784,629 = 784,629 : x
  2. Step 2: Convert to fraction form
    362,448/784,629 = 784,629/x
  3. Step 3: Cross multiply
    362,448x = 784,629 × 784,629
  4. Step 4: Simplify right side
    362,448x = 615,642,667,641
  5. Step 5: Solve for x
    x = 615,642,667,641/362,448
  6. Step 6: Final answer
    x = 1,698,568.26

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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.