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Finding the Third Proportional to 157,783.50 and 339,624

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Solution

The third proportional to 157,783.50 and 339,624 is: 731,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,783.50 : 339,624 = 339,624 : x
  2. Step 2: Convert to fraction form
    157,783.50/339,624 = 339,624/x
  3. Step 3: Cross multiply
    157,783.50x = 339,624 × 339,624
  4. Step 4: Simplify right side
    157,783.50x = 115,344,461,376
  5. Step 5: Solve for x
    x = 115,344,461,376/157,783.50
  6. Step 6: Final answer
    x = 731,029.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.