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Finding the Third Proportional to 339,939 and 500,512.50

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Solution

The third proportional to 339,939 and 500,512.50 is: 736,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,939 : 500,512.50 = 500,512.50 : x
  2. Step 2: Convert to fraction form
    339,939/500,512.50 = 500,512.50/x
  3. Step 3: Cross multiply
    339,939x = 500,512.50 × 500,512.50
  4. Step 4: Simplify right side
    339,939x = 250,512,762,656.25
  5. Step 5: Solve for x
    x = 250,512,762,656.25/339,939
  6. Step 6: Final answer
    x = 736,934.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.