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Finding the Third Proportional to 311,040 and 466,472

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Solution

The third proportional to 311,040 and 466,472 is: 699,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,040 : 466,472 = 466,472 : x
  2. Step 2: Convert to fraction form
    311,040/466,472 = 466,472/x
  3. Step 3: Cross multiply
    311,040x = 466,472 × 466,472
  4. Step 4: Simplify right side
    311,040x = 217,596,126,784
  5. Step 5: Solve for x
    x = 217,596,126,784/311,040
  6. Step 6: Final answer
    x = 699,576.02

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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.