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Finding the Third Proportional to 70,858 and 104,919

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Solution

The third proportional to 70,858 and 104,919 is: 155,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858 : 104,919 = 104,919 : x
  2. Step 2: Convert to fraction form
    70,858/104,919 = 104,919/x
  3. Step 3: Cross multiply
    70,858x = 104,919 × 104,919
  4. Step 4: Simplify right side
    70,858x = 11,007,996,561
  5. Step 5: Solve for x
    x = 11,007,996,561/70,858
  6. Step 6: Final answer
    x = 155,352.91

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.