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Finding the Third Proportional to 225,112 and 348,454

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Solution

The third proportional to 225,112 and 348,454 is: 539,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,112 : 348,454 = 348,454 : x
  2. Step 2: Convert to fraction form
    225,112/348,454 = 348,454/x
  3. Step 3: Cross multiply
    225,112x = 348,454 × 348,454
  4. Step 4: Simplify right side
    225,112x = 121,420,190,116
  5. Step 5: Solve for x
    x = 121,420,190,116/225,112
  6. Step 6: Final answer
    x = 539,376.80

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.