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Finding the Third Proportional to 79,082 and 124,289

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Solution

The third proportional to 79,082 and 124,289 is: 195,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082 : 124,289 = 124,289 : x
  2. Step 2: Convert to fraction form
    79,082/124,289 = 124,289/x
  3. Step 3: Cross multiply
    79,082x = 124,289 × 124,289
  4. Step 4: Simplify right side
    79,082x = 15,447,755,521
  5. Step 5: Solve for x
    x = 15,447,755,521/79,082
  6. Step 6: Final answer
    x = 195,338.45

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.