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Finding the Third Proportional to 383,629.50 and 557,948.25

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Solution

The third proportional to 383,629.50 and 557,948.25 is: 811,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,629.50 : 557,948.25 = 557,948.25 : x
  2. Step 2: Convert to fraction form
    383,629.50/557,948.25 = 557,948.25/x
  3. Step 3: Cross multiply
    383,629.50x = 557,948.25 × 557,948.25
  4. Step 4: Simplify right side
    383,629.50x = 311,306,249,678.06
  5. Step 5: Solve for x
    x = 311,306,249,678.06/383,629.50
  6. Step 6: Final answer
    x = 811,476.31

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.