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Finding the Third Proportional to 154,820.25 and 335,403.75

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Solution

The third proportional to 154,820.25 and 335,403.75 is: 726,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,820.25 : 335,403.75 = 335,403.75 : x
  2. Step 2: Convert to fraction form
    154,820.25/335,403.75 = 335,403.75/x
  3. Step 3: Cross multiply
    154,820.25x = 335,403.75 × 335,403.75
  4. Step 4: Simplify right side
    154,820.25x = 112,495,675,514.06
  5. Step 5: Solve for x
    x = 112,495,675,514.06/154,820.25
  6. Step 6: Final answer
    x = 726,621.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.