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Finding the Third Proportional to 140,009.25 and 307,233.75

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Solution

The third proportional to 140,009.25 and 307,233.75 is: 674,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,009.25 : 307,233.75 = 307,233.75 : x
  2. Step 2: Convert to fraction form
    140,009.25/307,233.75 = 307,233.75/x
  3. Step 3: Cross multiply
    140,009.25x = 307,233.75 × 307,233.75
  4. Step 4: Simplify right side
    140,009.25x = 94,392,577,139.06
  5. Step 5: Solve for x
    x = 94,392,577,139.06/140,009.25
  6. Step 6: Final answer
    x = 674,188.15

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.