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Finding the Third Proportional to 67,172.63 and 144,834.75

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Solution

The third proportional to 67,172.63 and 144,834.75 is: 312,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.63 : 144,834.75 = 144,834.75 : x
  2. Step 2: Convert to fraction form
    67,172.63/144,834.75 = 144,834.75/x
  3. Step 3: Cross multiply
    67,172.63x = 144,834.75 × 144,834.75
  4. Step 4: Simplify right side
    67,172.63x = 20,977,104,807.56
  5. Step 5: Solve for x
    x = 20,977,104,807.56/67,172.63
  6. Step 6: Final answer
    x = 312,286.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.