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Finding the Third Proportional to 161,857.25 and 330,139.75

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Solution

The third proportional to 161,857.25 and 330,139.75 is: 673,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,857.25 : 330,139.75 = 330,139.75 : x
  2. Step 2: Convert to fraction form
    161,857.25/330,139.75 = 330,139.75/x
  3. Step 3: Cross multiply
    161,857.25x = 330,139.75 × 330,139.75
  4. Step 4: Simplify right side
    161,857.25x = 108,992,254,530.06
  5. Step 5: Solve for x
    x = 108,992,254,530.06/161,857.25
  6. Step 6: Final answer
    x = 673,385.06

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.