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Finding the Third Proportional to 149,703.75 and 220,178.25

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Solution

The third proportional to 149,703.75 and 220,178.25 is: 323,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,703.75 : 220,178.25 = 220,178.25 : x
  2. Step 2: Convert to fraction form
    149,703.75/220,178.25 = 220,178.25/x
  3. Step 3: Cross multiply
    149,703.75x = 220,178.25 × 220,178.25
  4. Step 4: Simplify right side
    149,703.75x = 48,478,461,773.06
  5. Step 5: Solve for x
    x = 48,478,461,773.06/149,703.75
  6. Step 6: Final answer
    x = 323,829.31

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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.