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Finding the Third Proportional to 136,309.50 and 293,449.50

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Solution

The third proportional to 136,309.50 and 293,449.50 is: 631,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,309.50 : 293,449.50 = 293,449.50 : x
  2. Step 2: Convert to fraction form
    136,309.50/293,449.50 = 293,449.50/x
  3. Step 3: Cross multiply
    136,309.50x = 293,449.50 × 293,449.50
  4. Step 4: Simplify right side
    136,309.50x = 86,112,609,050.25
  5. Step 5: Solve for x
    x = 86,112,609,050.25/136,309.50
  6. Step 6: Final answer
    x = 631,743.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.