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Finding the Third Proportional to 121,336.50 and 183,702

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Solution

The third proportional to 121,336.50 and 183,702 is: 278,122.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,336.50 : 183,702 = 183,702 : x
  2. Step 2: Convert to fraction form
    121,336.50/183,702 = 183,702/x
  3. Step 3: Cross multiply
    121,336.50x = 183,702 × 183,702
  4. Step 4: Simplify right side
    121,336.50x = 33,746,424,804
  5. Step 5: Solve for x
    x = 33,746,424,804/121,336.50
  6. Step 6: Final answer
    x = 278,122.62

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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.