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Finding the Third Proportional to 75,479.25 and 161,528.25

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Solution

The third proportional to 75,479.25 and 161,528.25 is: 345,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.25 : 161,528.25 = 161,528.25 : x
  2. Step 2: Convert to fraction form
    75,479.25/161,528.25 = 161,528.25/x
  3. Step 3: Cross multiply
    75,479.25x = 161,528.25 × 161,528.25
  4. Step 4: Simplify right side
    75,479.25x = 26,091,375,548.06
  5. Step 5: Solve for x
    x = 26,091,375,548.06/75,479.25
  6. Step 6: Final answer
    x = 345,676.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.