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Finding the Third Proportional to 312,833.25 and 683,032.50

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Solution

The third proportional to 312,833.25 and 683,032.50 is: 1,491,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,833.25 : 683,032.50 = 683,032.50 : x
  2. Step 2: Convert to fraction form
    312,833.25/683,032.50 = 683,032.50/x
  3. Step 3: Cross multiply
    312,833.25x = 683,032.50 × 683,032.50
  4. Step 4: Simplify right side
    312,833.25x = 466,533,396,056.25
  5. Step 5: Solve for x
    x = 466,533,396,056.25/312,833.25
  6. Step 6: Final answer
    x = 1,491,316.53

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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.