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Finding the Third Proportional to 81,591 and 119,254.50

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Solution

The third proportional to 81,591 and 119,254.50 is: 174,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,591 : 119,254.50 = 119,254.50 : x
  2. Step 2: Convert to fraction form
    81,591/119,254.50 = 119,254.50/x
  3. Step 3: Cross multiply
    81,591x = 119,254.50 × 119,254.50
  4. Step 4: Simplify right side
    81,591x = 14,221,635,770.25
  5. Step 5: Solve for x
    x = 14,221,635,770.25/81,591
  6. Step 6: Final answer
    x = 174,303.98

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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.