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Finding the Third Proportional to 99,215 and 149,045

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Solution

The third proportional to 99,215 and 149,045 is: 223,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215 : 149,045 = 149,045 : x
  2. Step 2: Convert to fraction form
    99,215/149,045 = 149,045/x
  3. Step 3: Cross multiply
    99,215x = 149,045 × 149,045
  4. Step 4: Simplify right side
    99,215x = 22,214,412,025
  5. Step 5: Solve for x
    x = 22,214,412,025/99,215
  6. Step 6: Final answer
    x = 223,901.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.