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Finding the Third Proportional to 137,907.75 and 214,419.75

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Solution

The third proportional to 137,907.75 and 214,419.75 is: 333,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,907.75 : 214,419.75 = 214,419.75 : x
  2. Step 2: Convert to fraction form
    137,907.75/214,419.75 = 214,419.75/x
  3. Step 3: Cross multiply
    137,907.75x = 214,419.75 × 214,419.75
  4. Step 4: Simplify right side
    137,907.75x = 45,975,829,190.06
  5. Step 5: Solve for x
    x = 45,975,829,190.06/137,907.75
  6. Step 6: Final answer
    x = 333,381.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.