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Finding the Third Proportional to 70,169 and 153,036

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Solution

The third proportional to 70,169 and 153,036 is: 333,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169 : 153,036 = 153,036 : x
  2. Step 2: Convert to fraction form
    70,169/153,036 = 153,036/x
  3. Step 3: Cross multiply
    70,169x = 153,036 × 153,036
  4. Step 4: Simplify right side
    70,169x = 23,420,017,296
  5. Step 5: Solve for x
    x = 23,420,017,296/70,169
  6. Step 6: Final answer
    x = 333,765.87

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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.