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Finding the Third Proportional to 288,213.75 and 460,426.50

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Solution

The third proportional to 288,213.75 and 460,426.50 is: 735,539.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,213.75 : 460,426.50 = 460,426.50 : x
  2. Step 2: Convert to fraction form
    288,213.75/460,426.50 = 460,426.50/x
  3. Step 3: Cross multiply
    288,213.75x = 460,426.50 × 460,426.50
  4. Step 4: Simplify right side
    288,213.75x = 211,992,561,902.25
  5. Step 5: Solve for x
    x = 211,992,561,902.25/288,213.75
  6. Step 6: Final answer
    x = 735,539.38

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.