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Finding the Third Proportional to 76,686.75 and 118,450.13

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Solution

The third proportional to 76,686.75 and 118,450.13 is: 182,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,686.75 : 118,450.13 = 118,450.13 : x
  2. Step 2: Convert to fraction form
    76,686.75/118,450.13 = 118,450.13/x
  3. Step 3: Cross multiply
    76,686.75x = 118,450.13 × 118,450.13
  4. Step 4: Simplify right side
    76,686.75x = 14,030,432,112.52
  5. Step 5: Solve for x
    x = 14,030,432,112.52/76,686.75
  6. Step 6: Final answer
    x = 182,957.71

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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.