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Finding the Third Proportional to 225,010.50 and 328,630.50

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Solution

The third proportional to 225,010.50 and 328,630.50 is: 479,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,010.50 : 328,630.50 = 328,630.50 : x
  2. Step 2: Convert to fraction form
    225,010.50/328,630.50 = 328,630.50/x
  3. Step 3: Cross multiply
    225,010.50x = 328,630.50 × 328,630.50
  4. Step 4: Simplify right side
    225,010.50x = 107,998,005,530.25
  5. Step 5: Solve for x
    x = 107,998,005,530.25/225,010.50
  6. Step 6: Final answer
    x = 479,968.74

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.