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Finding the Third Proportional to 311,604 and 466,878

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Solution

The third proportional to 311,604 and 466,878 is: 699,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,604 : 466,878 = 466,878 : x
  2. Step 2: Convert to fraction form
    311,604/466,878 = 466,878/x
  3. Step 3: Cross multiply
    311,604x = 466,878 × 466,878
  4. Step 4: Simplify right side
    311,604x = 217,975,066,884
  5. Step 5: Solve for x
    x = 217,975,066,884/311,604
  6. Step 6: Final answer
    x = 699,525.89

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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.