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Finding the Third Proportional to 76,450.50 and 116,871.75

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Solution

The third proportional to 76,450.50 and 116,871.75 is: 178,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,450.50 : 116,871.75 = 116,871.75 : x
  2. Step 2: Convert to fraction form
    76,450.50/116,871.75 = 116,871.75/x
  3. Step 3: Cross multiply
    76,450.50x = 116,871.75 × 116,871.75
  4. Step 4: Simplify right side
    76,450.50x = 13,659,005,948.06
  5. Step 5: Solve for x
    x = 13,659,005,948.06/76,450.50
  6. Step 6: Final answer
    x = 178,664.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.