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Finding the Third Proportional to 74,519.25 and 115,127.25

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Solution

The third proportional to 74,519.25 and 115,127.25 is: 177,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.25 : 115,127.25 = 115,127.25 : x
  2. Step 2: Convert to fraction form
    74,519.25/115,127.25 = 115,127.25/x
  3. Step 3: Cross multiply
    74,519.25x = 115,127.25 × 115,127.25
  4. Step 4: Simplify right side
    74,519.25x = 13,254,283,692.56
  5. Step 5: Solve for x
    x = 13,254,283,692.56/74,519.25
  6. Step 6: Final answer
    x = 177,863.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.