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Finding the Third Proportional to 99,157.50 and 148,956

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Solution

The third proportional to 99,157.50 and 148,956 is: 223,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.50 : 148,956 = 148,956 : x
  2. Step 2: Convert to fraction form
    99,157.50/148,956 = 148,956/x
  3. Step 3: Cross multiply
    99,157.50x = 148,956 × 148,956
  4. Step 4: Simplify right side
    99,157.50x = 22,187,889,936
  5. Step 5: Solve for x
    x = 22,187,889,936/99,157.50
  6. Step 6: Final answer
    x = 223,764.11

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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.