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Finding the Third Proportional to 55,857.38 and 121,750.88

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Solution

The third proportional to 55,857.38 and 121,750.88 is: 265,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.38 : 121,750.88 = 121,750.88 : x
  2. Step 2: Convert to fraction form
    55,857.38/121,750.88 = 121,750.88/x
  3. Step 3: Cross multiply
    55,857.38x = 121,750.88 × 121,750.88
  4. Step 4: Simplify right side
    55,857.38x = 14,823,275,563.27
  5. Step 5: Solve for x
    x = 14,823,275,563.27/55,857.38
  6. Step 6: Final answer
    x = 265,377.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.