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Finding the Third Proportional to 121,332.94 and 183,696.61

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Solution

The third proportional to 121,332.94 and 183,696.61 is: 278,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,332.94 : 183,696.61 = 183,696.61 : x
  2. Step 2: Convert to fraction form
    121,332.94/183,696.61 = 183,696.61/x
  3. Step 3: Cross multiply
    121,332.94x = 183,696.61 × 183,696.61
  4. Step 4: Simplify right side
    121,332.94x = 33,744,444,295.87
  5. Step 5: Solve for x
    x = 33,744,444,295.87/121,332.94
  6. Step 6: Final answer
    x = 278,114.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.