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Finding the Third Proportional to 297,600.75 and 447,079.50

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Solution

The third proportional to 297,600.75 and 447,079.50 is: 671,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,600.75 : 447,079.50 = 447,079.50 : x
  2. Step 2: Convert to fraction form
    297,600.75/447,079.50 = 447,079.50/x
  3. Step 3: Cross multiply
    297,600.75x = 447,079.50 × 447,079.50
  4. Step 4: Simplify right side
    297,600.75x = 199,880,079,320.25
  5. Step 5: Solve for x
    x = 199,880,079,320.25/297,600.75
  6. Step 6: Final answer
    x = 671,638.36

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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.