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Finding the Third Proportional to 66,011.50 and 155,676

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Solution

The third proportional to 66,011.50 and 155,676 is: 367,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,011.50 : 155,676 = 155,676 : x
  2. Step 2: Convert to fraction form
    66,011.50/155,676 = 155,676/x
  3. Step 3: Cross multiply
    66,011.50x = 155,676 × 155,676
  4. Step 4: Simplify right side
    66,011.50x = 24,235,016,976
  5. Step 5: Solve for x
    x = 24,235,016,976/66,011.50
  6. Step 6: Final answer
    x = 367,133.26

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.