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Finding the Third Proportional to 157,072.50 and 339,052.50

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Solution

The third proportional to 157,072.50 and 339,052.50 is: 731,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,072.50 : 339,052.50 = 339,052.50 : x
  2. Step 2: Convert to fraction form
    157,072.50/339,052.50 = 339,052.50/x
  3. Step 3: Cross multiply
    157,072.50x = 339,052.50 × 339,052.50
  4. Step 4: Simplify right side
    157,072.50x = 114,956,597,756.25
  5. Step 5: Solve for x
    x = 114,956,597,756.25/157,072.50
  6. Step 6: Final answer
    x = 731,869.66

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.