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Finding the Third Proportional to 300,712.50 and 401,314.50

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Solution

The third proportional to 300,712.50 and 401,314.50 is: 535,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,712.50 : 401,314.50 = 401,314.50 : x
  2. Step 2: Convert to fraction form
    300,712.50/401,314.50 = 401,314.50/x
  3. Step 3: Cross multiply
    300,712.50x = 401,314.50 × 401,314.50
  4. Step 4: Simplify right side
    300,712.50x = 161,053,327,910.25
  5. Step 5: Solve for x
    x = 161,053,327,910.25/300,712.50
  6. Step 6: Final answer
    x = 535,572.44

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.