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Finding the Third Proportional to 120,696.33 and 177,349.50

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Solution

The third proportional to 120,696.33 and 177,349.50 is: 260,594.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,696.33 : 177,349.50 = 177,349.50 : x
  2. Step 2: Convert to fraction form
    120,696.33/177,349.50 = 177,349.50/x
  3. Step 3: Cross multiply
    120,696.33x = 177,349.50 × 177,349.50
  4. Step 4: Simplify right side
    120,696.33x = 31,452,845,150.25
  5. Step 5: Solve for x
    x = 31,452,845,150.25/120,696.33
  6. Step 6: Final answer
    x = 260,594.88

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.