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Finding the Third Proportional to 149,730.75 and 220,214.25

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Solution

The third proportional to 149,730.75 and 220,214.25 is: 323,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,730.75 : 220,214.25 = 220,214.25 : x
  2. Step 2: Convert to fraction form
    149,730.75/220,214.25 = 220,214.25/x
  3. Step 3: Cross multiply
    149,730.75x = 220,214.25 × 220,214.25
  4. Step 4: Simplify right side
    149,730.75x = 48,494,315,903.06
  5. Step 5: Solve for x
    x = 48,494,315,903.06/149,730.75
  6. Step 6: Final answer
    x = 323,876.80

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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.