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Finding the Third Proportional to 157,196.75 and 339,406.75

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Solution

The third proportional to 157,196.75 and 339,406.75 is: 732,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,196.75 : 339,406.75 = 339,406.75 : x
  2. Step 2: Convert to fraction form
    157,196.75/339,406.75 = 339,406.75/x
  3. Step 3: Cross multiply
    157,196.75x = 339,406.75 × 339,406.75
  4. Step 4: Simplify right side
    157,196.75x = 115,196,941,945.56
  5. Step 5: Solve for x
    x = 115,196,941,945.56/157,196.75
  6. Step 6: Final answer
    x = 732,820.12

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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.