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Finding the Third Proportional to 137,967.75 and 300,813.75

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Solution

The third proportional to 137,967.75 and 300,813.75 is: 655,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,967.75 : 300,813.75 = 300,813.75 : x
  2. Step 2: Convert to fraction form
    137,967.75/300,813.75 = 300,813.75/x
  3. Step 3: Cross multiply
    137,967.75x = 300,813.75 × 300,813.75
  4. Step 4: Simplify right side
    137,967.75x = 90,488,912,189.06
  5. Step 5: Solve for x
    x = 90,488,912,189.06/137,967.75
  6. Step 6: Final answer
    x = 655,870.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.