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Finding the Third Proportional to 71,568 and 155,826

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Solution

The third proportional to 71,568 and 155,826 is: 339,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568 : 155,826 = 155,826 : x
  2. Step 2: Convert to fraction form
    71,568/155,826 = 155,826/x
  3. Step 3: Cross multiply
    71,568x = 155,826 × 155,826
  4. Step 4: Simplify right side
    71,568x = 24,281,742,276
  5. Step 5: Solve for x
    x = 24,281,742,276/71,568
  6. Step 6: Final answer
    x = 339,282.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.