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Finding the Third Proportional to 177,287 and 265,303

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Solution

The third proportional to 177,287 and 265,303 is: 397,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,287 : 265,303 = 265,303 : x
  2. Step 2: Convert to fraction form
    177,287/265,303 = 265,303/x
  3. Step 3: Cross multiply
    177,287x = 265,303 × 265,303
  4. Step 4: Simplify right side
    177,287x = 70,385,681,809
  5. Step 5: Solve for x
    x = 70,385,681,809/177,287
  6. Step 6: Final answer
    x = 397,015.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.