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Finding the Third Proportional to 245,272.50 and 379,914.75

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Solution

The third proportional to 245,272.50 and 379,914.75 is: 588,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,272.50 : 379,914.75 = 379,914.75 : x
  2. Step 2: Convert to fraction form
    245,272.50/379,914.75 = 379,914.75/x
  3. Step 3: Cross multiply
    245,272.50x = 379,914.75 × 379,914.75
  4. Step 4: Simplify right side
    245,272.50x = 144,335,217,267.56
  5. Step 5: Solve for x
    x = 144,335,217,267.56/245,272.50
  6. Step 6: Final answer
    x = 588,468.81

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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.