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Finding the Third Proportional to 171,803 and 265,481

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Solution

The third proportional to 171,803 and 265,481 is: 410,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,803 : 265,481 = 265,481 : x
  2. Step 2: Convert to fraction form
    171,803/265,481 = 265,481/x
  3. Step 3: Cross multiply
    171,803x = 265,481 × 265,481
  4. Step 4: Simplify right side
    171,803x = 70,480,161,361
  5. Step 5: Solve for x
    x = 70,480,161,361/171,803
  6. Step 6: Final answer
    x = 410,238.25

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.