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Finding the Third Proportional to 55,477.13 and 117,865.13

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Solution

The third proportional to 55,477.13 and 117,865.13 is: 250,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,477.13 : 117,865.13 = 117,865.13 : x
  2. Step 2: Convert to fraction form
    55,477.13/117,865.13 = 117,865.13/x
  3. Step 3: Cross multiply
    55,477.13x = 117,865.13 × 117,865.13
  4. Step 4: Simplify right side
    55,477.13x = 13,892,187,691.27
  5. Step 5: Solve for x
    x = 13,892,187,691.27/55,477.13
  6. Step 6: Final answer
    x = 250,412.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.