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Finding the Third Proportional to 59,670 and 129,992

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Solution

The third proportional to 59,670 and 129,992 is: 283,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,670 : 129,992 = 129,992 : x
  2. Step 2: Convert to fraction form
    59,670/129,992 = 129,992/x
  3. Step 3: Cross multiply
    59,670x = 129,992 × 129,992
  4. Step 4: Simplify right side
    59,670x = 16,897,920,064
  5. Step 5: Solve for x
    x = 16,897,920,064/59,670
  6. Step 6: Final answer
    x = 283,189.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.