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Finding the Third Proportional to 71,091 and 155,574

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Solution

The third proportional to 71,091 and 155,574 is: 340,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091 : 155,574 = 155,574 : x
  2. Step 2: Convert to fraction form
    71,091/155,574 = 155,574/x
  3. Step 3: Cross multiply
    71,091x = 155,574 × 155,574
  4. Step 4: Simplify right side
    71,091x = 24,203,269,476
  5. Step 5: Solve for x
    x = 24,203,269,476/71,091
  6. Step 6: Final answer
    x = 340,454.76

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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.