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Finding the Third Proportional to 71,407 and 155,104

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Solution

The third proportional to 71,407 and 155,104 is: 336,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,407 : 155,104 = 155,104 : x
  2. Step 2: Convert to fraction form
    71,407/155,104 = 155,104/x
  3. Step 3: Cross multiply
    71,407x = 155,104 × 155,104
  4. Step 4: Simplify right side
    71,407x = 24,057,250,816
  5. Step 5: Solve for x
    x = 24,057,250,816/71,407
  6. Step 6: Final answer
    x = 336,903.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.