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Finding the Third Proportional to 149,884 and 310,333

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Solution

The third proportional to 149,884 and 310,333 is: 642,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,884 : 310,333 = 310,333 : x
  2. Step 2: Convert to fraction form
    149,884/310,333 = 310,333/x
  3. Step 3: Cross multiply
    149,884x = 310,333 × 310,333
  4. Step 4: Simplify right side
    149,884x = 96,306,570,889
  5. Step 5: Solve for x
    x = 96,306,570,889/149,884
  6. Step 6: Final answer
    x = 642,540.70

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.