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Finding the Third Proportional to 152,090.79 and 352,079.79

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Solution

The third proportional to 152,090.79 and 352,079.79 is: 815,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090.79 : 352,079.79 = 352,079.79 : x
  2. Step 2: Convert to fraction form
    152,090.79/352,079.79 = 352,079.79/x
  3. Step 3: Cross multiply
    152,090.79x = 352,079.79 × 352,079.79
  4. Step 4: Simplify right side
    152,090.79x = 123,960,177,866.30
  5. Step 5: Solve for x
    x = 123,960,177,866.30/152,090.79
  6. Step 6: Final answer
    x = 815,040.67

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.