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Finding the Third Proportional to 55,553.63 and 79,385.63

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Solution

The third proportional to 55,553.63 and 79,385.63 is: 113,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.63 : 79,385.63 = 79,385.63 : x
  2. Step 2: Convert to fraction form
    55,553.63/79,385.63 = 79,385.63/x
  3. Step 3: Cross multiply
    55,553.63x = 79,385.63 × 79,385.63
  4. Step 4: Simplify right side
    55,553.63x = 6,302,077,456.64
  5. Step 5: Solve for x
    x = 6,302,077,456.64/55,553.63
  6. Step 6: Final answer
    x = 113,441.34

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.