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Finding the Third Proportional to 80,554.50 and 124,476.75

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Solution

The third proportional to 80,554.50 and 124,476.75 is: 192,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,554.50 : 124,476.75 = 124,476.75 : x
  2. Step 2: Convert to fraction form
    80,554.50/124,476.75 = 124,476.75/x
  3. Step 3: Cross multiply
    80,554.50x = 124,476.75 × 124,476.75
  4. Step 4: Simplify right side
    80,554.50x = 15,494,461,290.56
  5. Step 5: Solve for x
    x = 15,494,461,290.56/80,554.50
  6. Step 6: Final answer
    x = 192,347.56

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.