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Finding the Third Proportional to 80,402 and 118,195.50

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Solution

The third proportional to 80,402 and 118,195.50 is: 173,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,402 : 118,195.50 = 118,195.50 : x
  2. Step 2: Convert to fraction form
    80,402/118,195.50 = 118,195.50/x
  3. Step 3: Cross multiply
    80,402x = 118,195.50 × 118,195.50
  4. Step 4: Simplify right side
    80,402x = 13,970,176,220.25
  5. Step 5: Solve for x
    x = 13,970,176,220.25/80,402
  6. Step 6: Final answer
    x = 173,754.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.