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Finding the Third Proportional to 121,112 and 265,552

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Solution

The third proportional to 121,112 and 265,552 is: 582,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,112 : 265,552 = 265,552 : x
  2. Step 2: Convert to fraction form
    121,112/265,552 = 265,552/x
  3. Step 3: Cross multiply
    121,112x = 265,552 × 265,552
  4. Step 4: Simplify right side
    121,112x = 70,517,864,704
  5. Step 5: Solve for x
    x = 70,517,864,704/121,112
  6. Step 6: Final answer
    x = 582,253.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.