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Finding the Third Proportional to 339,785 and 498,252.50

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Solution

The third proportional to 339,785 and 498,252.50 is: 730,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,785 : 498,252.50 = 498,252.50 : x
  2. Step 2: Convert to fraction form
    339,785/498,252.50 = 498,252.50/x
  3. Step 3: Cross multiply
    339,785x = 498,252.50 × 498,252.50
  4. Step 4: Simplify right side
    339,785x = 248,255,553,756.25
  5. Step 5: Solve for x
    x = 248,255,553,756.25/339,785
  6. Step 6: Final answer
    x = 730,625.41

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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.