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Finding the Third Proportional to 99,648 and 151,318

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Solution

The third proportional to 99,648 and 151,318 is: 229,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648 : 151,318 = 151,318 : x
  2. Step 2: Convert to fraction form
    99,648/151,318 = 151,318/x
  3. Step 3: Cross multiply
    99,648x = 151,318 × 151,318
  4. Step 4: Simplify right side
    99,648x = 22,897,137,124
  5. Step 5: Solve for x
    x = 22,897,137,124/99,648
  6. Step 6: Final answer
    x = 229,780.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.