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Finding the Third Proportional to 331,677 and 498,487.50

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Solution

The third proportional to 331,677 and 498,487.50 is: 749,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,677 : 498,487.50 = 498,487.50 : x
  2. Step 2: Convert to fraction form
    331,677/498,487.50 = 498,487.50/x
  3. Step 3: Cross multiply
    331,677x = 498,487.50 × 498,487.50
  4. Step 4: Simplify right side
    331,677x = 248,489,787,656.25
  5. Step 5: Solve for x
    x = 248,489,787,656.25/331,677
  6. Step 6: Final answer
    x = 749,192.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.