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Finding the Third Proportional to 318,937.50 and 493,841.25

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Solution

The third proportional to 318,937.50 and 493,841.25 is: 764,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,937.50 : 493,841.25 = 493,841.25 : x
  2. Step 2: Convert to fraction form
    318,937.50/493,841.25 = 493,841.25/x
  3. Step 3: Cross multiply
    318,937.50x = 493,841.25 × 493,841.25
  4. Step 4: Simplify right side
    318,937.50x = 243,879,180,201.56
  5. Step 5: Solve for x
    x = 243,879,180,201.56/318,937.50
  6. Step 6: Final answer
    x = 764,661.35

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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.