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Finding the Third Proportional to 55,768.50 and 121,550.78

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Solution

The third proportional to 55,768.50 and 121,550.78 is: 264,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.50 : 121,550.78 = 121,550.78 : x
  2. Step 2: Convert to fraction form
    55,768.50/121,550.78 = 121,550.78/x
  3. Step 3: Cross multiply
    55,768.50x = 121,550.78 × 121,550.78
  4. Step 4: Simplify right side
    55,768.50x = 14,774,592,897.29
  5. Step 5: Solve for x
    x = 14,774,592,897.29/55,768.50
  6. Step 6: Final answer
    x = 264,927.21

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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.