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Finding the Third Proportional to 79,590 and 124,230

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Solution

The third proportional to 79,590 and 124,230 is: 193,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590 : 124,230 = 124,230 : x
  2. Step 2: Convert to fraction form
    79,590/124,230 = 124,230/x
  3. Step 3: Cross multiply
    79,590x = 124,230 × 124,230
  4. Step 4: Simplify right side
    79,590x = 15,433,092,900
  5. Step 5: Solve for x
    x = 15,433,092,900/79,590
  6. Step 6: Final answer
    x = 193,907.44

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.