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Finding the Third Proportional to 70,746 and 155,100

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Solution

The third proportional to 70,746 and 155,100 is: 340,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746 : 155,100 = 155,100 : x
  2. Step 2: Convert to fraction form
    70,746/155,100 = 155,100/x
  3. Step 3: Cross multiply
    70,746x = 155,100 × 155,100
  4. Step 4: Simplify right side
    70,746x = 24,056,010,000
  5. Step 5: Solve for x
    x = 24,056,010,000/70,746
  6. Step 6: Final answer
    x = 340,033.50

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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.