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Finding the Third Proportional to 50,918.63 and 79,448.34

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Solution

The third proportional to 50,918.63 and 79,448.34 is: 123,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,918.63 : 79,448.34 = 79,448.34 : x
  2. Step 2: Convert to fraction form
    50,918.63/79,448.34 = 79,448.34/x
  3. Step 3: Cross multiply
    50,918.63x = 79,448.34 × 79,448.34
  4. Step 4: Simplify right side
    50,918.63x = 6,312,039,324.62
  5. Step 5: Solve for x
    x = 6,312,039,324.62/50,918.63
  6. Step 6: Final answer
    x = 123,963.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.