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Finding the Third Proportional to 174,988.69 and 279,099

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Solution

The third proportional to 174,988.69 and 279,099 is: 445,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,988.69 : 279,099 = 279,099 : x
  2. Step 2: Convert to fraction form
    174,988.69/279,099 = 279,099/x
  3. Step 3: Cross multiply
    174,988.69x = 279,099 × 279,099
  4. Step 4: Simplify right side
    174,988.69x = 77,896,251,801
  5. Step 5: Solve for x
    x = 77,896,251,801/174,988.69
  6. Step 6: Final answer
    x = 445,150.21

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.