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Finding the Third Proportional to 404,048.25 and 618,374.25

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Solution

The third proportional to 404,048.25 and 618,374.25 is: 946,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,048.25 : 618,374.25 = 618,374.25 : x
  2. Step 2: Convert to fraction form
    404,048.25/618,374.25 = 618,374.25/x
  3. Step 3: Cross multiply
    404,048.25x = 618,374.25 × 618,374.25
  4. Step 4: Simplify right side
    404,048.25x = 382,386,713,063.06
  5. Step 5: Solve for x
    x = 382,386,713,063.06/404,048.25
  6. Step 6: Final answer
    x = 946,388.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.