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Finding the Third Proportional to 71,036 and 148,876

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Solution

The third proportional to 71,036 and 148,876 is: 312,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036 : 148,876 = 148,876 : x
  2. Step 2: Convert to fraction form
    71,036/148,876 = 148,876/x
  3. Step 3: Cross multiply
    71,036x = 148,876 × 148,876
  4. Step 4: Simplify right side
    71,036x = 22,164,063,376
  5. Step 5: Solve for x
    x = 22,164,063,376/71,036
  6. Step 6: Final answer
    x = 312,011.70

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.