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Finding the Third Proportional to 70,969.50 and 155,001

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Solution

The third proportional to 70,969.50 and 155,001 is: 338,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.50 : 155,001 = 155,001 : x
  2. Step 2: Convert to fraction form
    70,969.50/155,001 = 155,001/x
  3. Step 3: Cross multiply
    70,969.50x = 155,001 × 155,001
  4. Step 4: Simplify right side
    70,969.50x = 24,025,310,001
  5. Step 5: Solve for x
    x = 24,025,310,001/70,969.50
  6. Step 6: Final answer
    x = 338,530.07

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.