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Finding the Third Proportional to 155,991.50 and 228,137

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Solution

The third proportional to 155,991.50 and 228,137 is: 333,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,991.50 : 228,137 = 228,137 : x
  2. Step 2: Convert to fraction form
    155,991.50/228,137 = 228,137/x
  3. Step 3: Cross multiply
    155,991.50x = 228,137 × 228,137
  4. Step 4: Simplify right side
    155,991.50x = 52,046,490,769
  5. Step 5: Solve for x
    x = 52,046,490,769/155,991.50
  6. Step 6: Final answer
    x = 333,649.53

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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.