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Finding the Third Proportional to 338,797.69 and 495,451.69

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Solution

The third proportional to 338,797.69 and 495,451.69 is: 724,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,797.69 : 495,451.69 = 495,451.69 : x
  2. Step 2: Convert to fraction form
    338,797.69/495,451.69 = 495,451.69/x
  3. Step 3: Cross multiply
    338,797.69x = 495,451.69 × 495,451.69
  4. Step 4: Simplify right side
    338,797.69x = 245,472,374,646.60
  5. Step 5: Solve for x
    x = 245,472,374,646.60/338,797.69
  6. Step 6: Final answer
    x = 724,539.70

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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.