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Finding the Third Proportional to 158,836.50 and 348,777

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Solution

The third proportional to 158,836.50 and 348,777 is: 765,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,836.50 : 348,777 = 348,777 : x
  2. Step 2: Convert to fraction form
    158,836.50/348,777 = 348,777/x
  3. Step 3: Cross multiply
    158,836.50x = 348,777 × 348,777
  4. Step 4: Simplify right side
    158,836.50x = 121,645,395,729
  5. Step 5: Solve for x
    x = 121,645,395,729/158,836.50
  6. Step 6: Final answer
    x = 765,852.91

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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.