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Finding the Third Proportional to 342,454.50 and 545,393.25

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Solution

The third proportional to 342,454.50 and 545,393.25 is: 868,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,454.50 : 545,393.25 = 545,393.25 : x
  2. Step 2: Convert to fraction form
    342,454.50/545,393.25 = 545,393.25/x
  3. Step 3: Cross multiply
    342,454.50x = 545,393.25 × 545,393.25
  4. Step 4: Simplify right side
    342,454.50x = 297,453,797,145.56
  5. Step 5: Solve for x
    x = 297,453,797,145.56/342,454.50
  6. Step 6: Final answer
    x = 868,593.63

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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.