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Finding the Third Proportional to 121,667.06 and 262,053.56

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Solution

The third proportional to 121,667.06 and 262,053.56 is: 564,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,667.06 : 262,053.56 = 262,053.56 : x
  2. Step 2: Convert to fraction form
    121,667.06/262,053.56 = 262,053.56/x
  3. Step 3: Cross multiply
    121,667.06x = 262,053.56 × 262,053.56
  4. Step 4: Simplify right side
    121,667.06x = 68,672,069,618.94
  5. Step 5: Solve for x
    x = 68,672,069,618.94/121,667.06
  6. Step 6: Final answer
    x = 564,426.13

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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.