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Finding the Third Proportional to 55,587.38 and 121,554.56

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Solution

The third proportional to 55,587.38 and 121,554.56 is: 265,806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.38 : 121,554.56 = 121,554.56 : x
  2. Step 2: Convert to fraction form
    55,587.38/121,554.56 = 121,554.56/x
  3. Step 3: Cross multiply
    55,587.38x = 121,554.56 × 121,554.56
  4. Step 4: Simplify right side
    55,587.38x = 14,775,511,664.57
  5. Step 5: Solve for x
    x = 14,775,511,664.57/55,587.38
  6. Step 6: Final answer
    x = 265,806.97

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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.