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Finding the Third Proportional to 85,556 and 124,446

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Solution

The third proportional to 85,556 and 124,446 is: 181,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556 : 124,446 = 124,446 : x
  2. Step 2: Convert to fraction form
    85,556/124,446 = 124,446/x
  3. Step 3: Cross multiply
    85,556x = 124,446 × 124,446
  4. Step 4: Simplify right side
    85,556x = 15,486,806,916
  5. Step 5: Solve for x
    x = 15,486,806,916/85,556
  6. Step 6: Final answer
    x = 181,013.69

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.