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Finding the Third Proportional to 148,926 and 324,630

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Solution

The third proportional to 148,926 and 324,630 is: 707,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,926 : 324,630 = 324,630 : x
  2. Step 2: Convert to fraction form
    148,926/324,630 = 324,630/x
  3. Step 3: Cross multiply
    148,926x = 324,630 × 324,630
  4. Step 4: Simplify right side
    148,926x = 105,384,636,900
  5. Step 5: Solve for x
    x = 105,384,636,900/148,926
  6. Step 6: Final answer
    x = 707,630.88

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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.