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Finding the Third Proportional to 76,285.50 and 110,964

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Solution

The third proportional to 76,285.50 and 110,964 is: 161,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,285.50 : 110,964 = 110,964 : x
  2. Step 2: Convert to fraction form
    76,285.50/110,964 = 110,964/x
  3. Step 3: Cross multiply
    76,285.50x = 110,964 × 110,964
  4. Step 4: Simplify right side
    76,285.50x = 12,313,009,296
  5. Step 5: Solve for x
    x = 12,313,009,296/76,285.50
  6. Step 6: Final answer
    x = 161,406.94

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.