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Finding the Third Proportional to 55,935 and 86,415.75

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Solution

The third proportional to 55,935 and 86,415.75 is: 133,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935 : 86,415.75 = 86,415.75 : x
  2. Step 2: Convert to fraction form
    55,935/86,415.75 = 86,415.75/x
  3. Step 3: Cross multiply
    55,935x = 86,415.75 × 86,415.75
  4. Step 4: Simplify right side
    55,935x = 7,467,681,848.06
  5. Step 5: Solve for x
    x = 7,467,681,848.06/55,935
  6. Step 6: Final answer
    x = 133,506.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.