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Finding the Third Proportional to 132,654 and 288,636

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Solution

The third proportional to 132,654 and 288,636 is: 628,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,654 : 288,636 = 288,636 : x
  2. Step 2: Convert to fraction form
    132,654/288,636 = 288,636/x
  3. Step 3: Cross multiply
    132,654x = 288,636 × 288,636
  4. Step 4: Simplify right side
    132,654x = 83,310,740,496
  5. Step 5: Solve for x
    x = 83,310,740,496/132,654
  6. Step 6: Final answer
    x = 628,030.37

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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.