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Finding the Third Proportional to 70,154.38 and 153,891

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Solution

The third proportional to 70,154.38 and 153,891 is: 337,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,154.38 : 153,891 = 153,891 : x
  2. Step 2: Convert to fraction form
    70,154.38/153,891 = 153,891/x
  3. Step 3: Cross multiply
    70,154.38x = 153,891 × 153,891
  4. Step 4: Simplify right side
    70,154.38x = 23,682,439,881
  5. Step 5: Solve for x
    x = 23,682,439,881/70,154.38
  6. Step 6: Final answer
    x = 337,576.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.