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Finding the Third Proportional to 110,532.09 and 156,434.45

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Solution

The third proportional to 110,532.09 and 156,434.45 is: 221,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,532.09 : 156,434.45 = 156,434.45 : x
  2. Step 2: Convert to fraction form
    110,532.09/156,434.45 = 156,434.45/x
  3. Step 3: Cross multiply
    110,532.09x = 156,434.45 × 156,434.45
  4. Step 4: Simplify right side
    110,532.09x = 24,471,736,902.37
  5. Step 5: Solve for x
    x = 24,471,736,902.37/110,532.09
  6. Step 6: Final answer
    x = 221,399.38

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.