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Finding the Third Proportional to 55,447.03 and 121,522.78

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Solution

The third proportional to 55,447.03 and 121,522.78 is: 266,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,447.03 : 121,522.78 = 121,522.78 : x
  2. Step 2: Convert to fraction form
    55,447.03/121,522.78 = 121,522.78/x
  3. Step 3: Cross multiply
    55,447.03x = 121,522.78 × 121,522.78
  4. Step 4: Simplify right side
    55,447.03x = 14,767,786,362.74
  5. Step 5: Solve for x
    x = 14,767,786,362.74/55,447.03
  6. Step 6: Final answer
    x = 266,340.43

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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.