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Finding the Third Proportional to 155,202.75 and 331,030.13

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Solution

The third proportional to 155,202.75 and 331,030.13 is: 706,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,202.75 : 331,030.13 = 331,030.13 : x
  2. Step 2: Convert to fraction form
    155,202.75/331,030.13 = 331,030.13/x
  3. Step 3: Cross multiply
    155,202.75x = 331,030.13 × 331,030.13
  4. Step 4: Simplify right side
    155,202.75x = 109,580,943,657.52
  5. Step 5: Solve for x
    x = 109,580,943,657.52/155,202.75
  6. Step 6: Final answer
    x = 706,050.27

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.