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Finding the Third Proportional to 71,038 and 106,071

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Solution

The third proportional to 71,038 and 106,071 is: 158,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038 : 106,071 = 106,071 : x
  2. Step 2: Convert to fraction form
    71,038/106,071 = 106,071/x
  3. Step 3: Cross multiply
    71,038x = 106,071 × 106,071
  4. Step 4: Simplify right side
    71,038x = 11,251,057,041
  5. Step 5: Solve for x
    x = 11,251,057,041/71,038
  6. Step 6: Final answer
    x = 158,380.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.