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Finding the Third Proportional to 315,793.69 and 692,732.25

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Solution

The third proportional to 315,793.69 and 692,732.25 is: 1,519,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,793.69 : 692,732.25 = 692,732.25 : x
  2. Step 2: Convert to fraction form
    315,793.69/692,732.25 = 692,732.25/x
  3. Step 3: Cross multiply
    315,793.69x = 692,732.25 × 692,732.25
  4. Step 4: Simplify right side
    315,793.69x = 479,877,970,190.06
  5. Step 5: Solve for x
    x = 479,877,970,190.06/315,793.69
  6. Step 6: Final answer
    x = 1,519,593.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.