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Finding the Third Proportional to 454,173.75 and 672,465.38

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Solution

The third proportional to 454,173.75 and 672,465.38 is: 995,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,173.75 : 672,465.38 = 672,465.38 : x
  2. Step 2: Convert to fraction form
    454,173.75/672,465.38 = 672,465.38/x
  3. Step 3: Cross multiply
    454,173.75x = 672,465.38 × 672,465.38
  4. Step 4: Simplify right side
    454,173.75x = 452,209,680,573.89
  5. Step 5: Solve for x
    x = 452,209,680,573.89/454,173.75
  6. Step 6: Final answer
    x = 995,675.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.