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Finding the Third Proportional to 132,318 and 312,304

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Solution

The third proportional to 132,318 and 312,304 is: 737,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,318 : 312,304 = 312,304 : x
  2. Step 2: Convert to fraction form
    132,318/312,304 = 312,304/x
  3. Step 3: Cross multiply
    132,318x = 312,304 × 312,304
  4. Step 4: Simplify right side
    132,318x = 97,533,788,416
  5. Step 5: Solve for x
    x = 97,533,788,416/132,318
  6. Step 6: Final answer
    x = 737,116.56

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.