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Finding the Third Proportional to 161,359.59 and 351,218.53

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Solution

The third proportional to 161,359.59 and 351,218.53 is: 764,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,359.59 : 351,218.53 = 351,218.53 : x
  2. Step 2: Convert to fraction form
    161,359.59/351,218.53 = 351,218.53/x
  3. Step 3: Cross multiply
    161,359.59x = 351,218.53 × 351,218.53
  4. Step 4: Simplify right side
    161,359.59x = 123,354,456,693.41
  5. Step 5: Solve for x
    x = 123,354,456,693.41/161,359.59
  6. Step 6: Final answer
    x = 764,469.31

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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.