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Finding the Third Proportional to 311,975 and 473,794

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Solution

The third proportional to 311,975 and 473,794 is: 719,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,975 : 473,794 = 473,794 : x
  2. Step 2: Convert to fraction form
    311,975/473,794 = 473,794/x
  3. Step 3: Cross multiply
    311,975x = 473,794 × 473,794
  4. Step 4: Simplify right side
    311,975x = 224,480,754,436
  5. Step 5: Solve for x
    x = 224,480,754,436/311,975
  6. Step 6: Final answer
    x = 719,547.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.