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Finding the Third Proportional to 55,434.38 and 121,604.63

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Solution

The third proportional to 55,434.38 and 121,604.63 is: 266,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,434.38 : 121,604.63 = 121,604.63 : x
  2. Step 2: Convert to fraction form
    55,434.38/121,604.63 = 121,604.63/x
  3. Step 3: Cross multiply
    55,434.38x = 121,604.63 × 121,604.63
  4. Step 4: Simplify right side
    55,434.38x = 14,787,684,821.39
  5. Step 5: Solve for x
    x = 14,787,684,821.39/55,434.38
  6. Step 6: Final answer
    x = 266,760.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.