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Finding the Third Proportional to 228,649.50 and 352,656.75

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Solution

The third proportional to 228,649.50 and 352,656.75 is: 543,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,649.50 : 352,656.75 = 352,656.75 : x
  2. Step 2: Convert to fraction form
    228,649.50/352,656.75 = 352,656.75/x
  3. Step 3: Cross multiply
    228,649.50x = 352,656.75 × 352,656.75
  4. Step 4: Simplify right side
    228,649.50x = 124,366,783,320.56
  5. Step 5: Solve for x
    x = 124,366,783,320.56/228,649.50
  6. Step 6: Final answer
    x = 543,918.89

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.