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Finding the Third Proportional to 229,558.50 and 356,312.25

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Solution

The third proportional to 229,558.50 and 356,312.25 is: 553,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,558.50 : 356,312.25 = 356,312.25 : x
  2. Step 2: Convert to fraction form
    229,558.50/356,312.25 = 356,312.25/x
  3. Step 3: Cross multiply
    229,558.50x = 356,312.25 × 356,312.25
  4. Step 4: Simplify right side
    229,558.50x = 126,958,419,500.06
  5. Step 5: Solve for x
    x = 126,958,419,500.06/229,558.50
  6. Step 6: Final answer
    x = 553,054.75

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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.