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Finding the Third Proportional to 71,371 and 107,055

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Solution

The third proportional to 71,371 and 107,055 is: 160,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,371 : 107,055 = 107,055 : x
  2. Step 2: Convert to fraction form
    71,371/107,055 = 107,055/x
  3. Step 3: Cross multiply
    71,371x = 107,055 × 107,055
  4. Step 4: Simplify right side
    71,371x = 11,460,773,025
  5. Step 5: Solve for x
    x = 11,460,773,025/71,371
  6. Step 6: Final answer
    x = 160,580.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.