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Finding the Third Proportional to 338,766 and 495,423

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Solution

The third proportional to 338,766 and 495,423 is: 724,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,766 : 495,423 = 495,423 : x
  2. Step 2: Convert to fraction form
    338,766/495,423 = 495,423/x
  3. Step 3: Cross multiply
    338,766x = 495,423 × 495,423
  4. Step 4: Simplify right side
    338,766x = 245,443,948,929
  5. Step 5: Solve for x
    x = 245,443,948,929/338,766
  6. Step 6: Final answer
    x = 724,523.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.