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Finding the Third Proportional to 214,572.38 and 315,285.75

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Solution

The third proportional to 214,572.38 and 315,285.75 is: 463,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,572.38 : 315,285.75 = 315,285.75 : x
  2. Step 2: Convert to fraction form
    214,572.38/315,285.75 = 315,285.75/x
  3. Step 3: Cross multiply
    214,572.38x = 315,285.75 × 315,285.75
  4. Step 4: Simplify right side
    214,572.38x = 99,405,104,153.06
  5. Step 5: Solve for x
    x = 99,405,104,153.06/214,572.38
  6. Step 6: Final answer
    x = 463,270.75

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