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Finding the Third Proportional to 449,686 and 963,128

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Solution

The third proportional to 449,686 and 963,128 is: 2,062,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,686 : 963,128 = 963,128 : x
  2. Step 2: Convert to fraction form
    449,686/963,128 = 963,128/x
  3. Step 3: Cross multiply
    449,686x = 963,128 × 963,128
  4. Step 4: Simplify right side
    449,686x = 927,615,544,384
  5. Step 5: Solve for x
    x = 927,615,544,384/449,686
  6. Step 6: Final answer
    x = 2,062,807.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.