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Finding the Third Proportional to 71,630 and 102,579

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Solution

The third proportional to 71,630 and 102,579 is: 146,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630 : 102,579 = 102,579 : x
  2. Step 2: Convert to fraction form
    71,630/102,579 = 102,579/x
  3. Step 3: Cross multiply
    71,630x = 102,579 × 102,579
  4. Step 4: Simplify right side
    71,630x = 10,522,451,241
  5. Step 5: Solve for x
    x = 10,522,451,241/71,630
  6. Step 6: Final answer
    x = 146,900.06

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.