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Finding the Third Proportional to 71,896 and 155,020

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Solution

The third proportional to 71,896 and 155,020 is: 334,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,896 : 155,020 = 155,020 : x
  2. Step 2: Convert to fraction form
    71,896/155,020 = 155,020/x
  3. Step 3: Cross multiply
    71,896x = 155,020 × 155,020
  4. Step 4: Simplify right side
    71,896x = 24,031,200,400
  5. Step 5: Solve for x
    x = 24,031,200,400/71,896
  6. Step 6: Final answer
    x = 334,249.48

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