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Finding the Third Proportional to 175,512 and 278,965.50

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Solution

The third proportional to 175,512 and 278,965.50 is: 443,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,512 : 278,965.50 = 278,965.50 : x
  2. Step 2: Convert to fraction form
    175,512/278,965.50 = 278,965.50/x
  3. Step 3: Cross multiply
    175,512x = 278,965.50 × 278,965.50
  4. Step 4: Simplify right side
    175,512x = 77,821,750,190.25
  5. Step 5: Solve for x
    x = 77,821,750,190.25/175,512
  6. Step 6: Final answer
    x = 443,398.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.