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Finding the Third Proportional to 155,964.75 and 236,148.75

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Solution

The third proportional to 155,964.75 and 236,148.75 is: 357,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,964.75 : 236,148.75 = 236,148.75 : x
  2. Step 2: Convert to fraction form
    155,964.75/236,148.75 = 236,148.75/x
  3. Step 3: Cross multiply
    155,964.75x = 236,148.75 × 236,148.75
  4. Step 4: Simplify right side
    155,964.75x = 55,766,232,126.56
  5. Step 5: Solve for x
    x = 55,766,232,126.56/155,964.75
  6. Step 6: Final answer
    x = 357,556.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.