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Finding the Third Proportional to 304,816.50 and 663,938.25

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Solution

The third proportional to 304,816.50 and 663,938.25 is: 1,446,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,816.50 : 663,938.25 = 663,938.25 : x
  2. Step 2: Convert to fraction form
    304,816.50/663,938.25 = 663,938.25/x
  3. Step 3: Cross multiply
    304,816.50x = 663,938.25 × 663,938.25
  4. Step 4: Simplify right side
    304,816.50x = 440,813,999,813.06
  5. Step 5: Solve for x
    x = 440,813,999,813.06/304,816.50
  6. Step 6: Final answer
    x = 1,446,161.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.