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Finding the Third Proportional to 120,694 and 265,284

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Solution

The third proportional to 120,694 and 265,284 is: 583,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,694 : 265,284 = 265,284 : x
  2. Step 2: Convert to fraction form
    120,694/265,284 = 265,284/x
  3. Step 3: Cross multiply
    120,694x = 265,284 × 265,284
  4. Step 4: Simplify right side
    120,694x = 70,375,600,656
  5. Step 5: Solve for x
    x = 70,375,600,656/120,694
  6. Step 6: Final answer
    x = 583,091.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.