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Finding the Third Proportional to 330,627 and 491,080.50

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Solution

The third proportional to 330,627 and 491,080.50 is: 729,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,627 : 491,080.50 = 491,080.50 : x
  2. Step 2: Convert to fraction form
    330,627/491,080.50 = 491,080.50/x
  3. Step 3: Cross multiply
    330,627x = 491,080.50 × 491,080.50
  4. Step 4: Simplify right side
    330,627x = 241,160,057,480.25
  5. Step 5: Solve for x
    x = 241,160,057,480.25/330,627
  6. Step 6: Final answer
    x = 729,402.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.