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Finding the Third Proportional to 299,673 and 448,416

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Solution

The third proportional to 299,673 and 448,416 is: 670,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,673 : 448,416 = 448,416 : x
  2. Step 2: Convert to fraction form
    299,673/448,416 = 448,416/x
  3. Step 3: Cross multiply
    299,673x = 448,416 × 448,416
  4. Step 4: Simplify right side
    299,673x = 201,076,909,056
  5. Step 5: Solve for x
    x = 201,076,909,056/299,673
  6. Step 6: Final answer
    x = 670,987.74

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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.