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Finding the Third Proportional to 67,110.19 and 102,771.28

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Solution

The third proportional to 67,110.19 and 102,771.28 is: 157,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,110.19 : 102,771.28 = 102,771.28 : x
  2. Step 2: Convert to fraction form
    67,110.19/102,771.28 = 102,771.28/x
  3. Step 3: Cross multiply
    67,110.19x = 102,771.28 × 102,771.28
  4. Step 4: Simplify right side
    67,110.19x = 10,561,936,249.77
  5. Step 5: Solve for x
    x = 10,561,936,249.77/67,110.19
  6. Step 6: Final answer
    x = 157,382.01

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.