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Finding the Third Proportional to 144,351 and 308,295

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Solution

The third proportional to 144,351 and 308,295 is: 658,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,351 : 308,295 = 308,295 : x
  2. Step 2: Convert to fraction form
    144,351/308,295 = 308,295/x
  3. Step 3: Cross multiply
    144,351x = 308,295 × 308,295
  4. Step 4: Simplify right side
    144,351x = 95,045,807,025
  5. Step 5: Solve for x
    x = 95,045,807,025/144,351
  6. Step 6: Final answer
    x = 658,435.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.