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Finding the Third Proportional to 75,575.25 and 115,173

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Solution

The third proportional to 75,575.25 and 115,173 is: 175,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,575.25 : 115,173 = 115,173 : x
  2. Step 2: Convert to fraction form
    75,575.25/115,173 = 115,173/x
  3. Step 3: Cross multiply
    75,575.25x = 115,173 × 115,173
  4. Step 4: Simplify right side
    75,575.25x = 13,264,819,929
  5. Step 5: Solve for x
    x = 13,264,819,929/75,575.25
  6. Step 6: Final answer
    x = 175,518.04

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.