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Finding the Third Proportional to 311,926 and 495,884

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Solution

The third proportional to 311,926 and 495,884 is: 788,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,926 : 495,884 = 495,884 : x
  2. Step 2: Convert to fraction form
    311,926/495,884 = 495,884/x
  3. Step 3: Cross multiply
    311,926x = 495,884 × 495,884
  4. Step 4: Simplify right side
    311,926x = 245,900,941,456
  5. Step 5: Solve for x
    x = 245,900,941,456/311,926
  6. Step 6: Final answer
    x = 788,331.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.