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Finding the Third Proportional to 79,032 and 140,536

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Solution

The third proportional to 79,032 and 140,536 is: 249,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,032 : 140,536 = 140,536 : x
  2. Step 2: Convert to fraction form
    79,032/140,536 = 140,536/x
  3. Step 3: Cross multiply
    79,032x = 140,536 × 140,536
  4. Step 4: Simplify right side
    79,032x = 19,750,367,296
  5. Step 5: Solve for x
    x = 19,750,367,296/79,032
  6. Step 6: Final answer
    x = 249,903.42

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.