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Finding the Third Proportional to 174,964.50 and 271,437.75

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Solution

The third proportional to 174,964.50 and 271,437.75 is: 421,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,964.50 : 271,437.75 = 271,437.75 : x
  2. Step 2: Convert to fraction form
    174,964.50/271,437.75 = 271,437.75/x
  3. Step 3: Cross multiply
    174,964.50x = 271,437.75 × 271,437.75
  4. Step 4: Simplify right side
    174,964.50x = 73,678,452,125.06
  5. Step 5: Solve for x
    x = 73,678,452,125.06/174,964.50
  6. Step 6: Final answer
    x = 421,105.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.