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Finding the Third Proportional to 179,689.50 and 281,875.50

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Solution

The third proportional to 179,689.50 and 281,875.50 is: 442,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,689.50 : 281,875.50 = 281,875.50 : x
  2. Step 2: Convert to fraction form
    179,689.50/281,875.50 = 281,875.50/x
  3. Step 3: Cross multiply
    179,689.50x = 281,875.50 × 281,875.50
  4. Step 4: Simplify right side
    179,689.50x = 79,453,797,500.25
  5. Step 5: Solve for x
    x = 79,453,797,500.25/179,689.50
  6. Step 6: Final answer
    x = 442,172.73

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.