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Finding the Third Proportional to 324,558 and 499,173

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Solution

The third proportional to 324,558 and 499,173 is: 767,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,558 : 499,173 = 499,173 : x
  2. Step 2: Convert to fraction form
    324,558/499,173 = 499,173/x
  3. Step 3: Cross multiply
    324,558x = 499,173 × 499,173
  4. Step 4: Simplify right side
    324,558x = 249,173,683,929
  5. Step 5: Solve for x
    x = 249,173,683,929/324,558
  6. Step 6: Final answer
    x = 767,732.37

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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.