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Finding the Third Proportional to 157,327.31 and 339,531.75

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Solution

The third proportional to 157,327.31 and 339,531.75 is: 732,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,327.31 : 339,531.75 = 339,531.75 : x
  2. Step 2: Convert to fraction form
    157,327.31/339,531.75 = 339,531.75/x
  3. Step 3: Cross multiply
    157,327.31x = 339,531.75 × 339,531.75
  4. Step 4: Simplify right side
    157,327.31x = 115,281,809,258.06
  5. Step 5: Solve for x
    x = 115,281,809,258.06/157,327.31
  6. Step 6: Final answer
    x = 732,751.40

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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.