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Finding the Third Proportional to 316,318.50 and 483,873.75

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Solution

The third proportional to 316,318.50 and 483,873.75 is: 740,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,318.50 : 483,873.75 = 483,873.75 : x
  2. Step 2: Convert to fraction form
    316,318.50/483,873.75 = 483,873.75/x
  3. Step 3: Cross multiply
    316,318.50x = 483,873.75 × 483,873.75
  4. Step 4: Simplify right side
    316,318.50x = 234,133,805,939.06
  5. Step 5: Solve for x
    x = 234,133,805,939.06/316,318.50
  6. Step 6: Final answer
    x = 740,183.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.