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Finding the Third Proportional to 132,624.50 and 258,481

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Solution

The third proportional to 132,624.50 and 258,481 is: 503,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624.50 : 258,481 = 258,481 : x
  2. Step 2: Convert to fraction form
    132,624.50/258,481 = 258,481/x
  3. Step 3: Cross multiply
    132,624.50x = 258,481 × 258,481
  4. Step 4: Simplify right side
    132,624.50x = 66,812,427,361
  5. Step 5: Solve for x
    x = 66,812,427,361/132,624.50
  6. Step 6: Final answer
    x = 503,771.38

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.