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Finding the Third Proportional to 232,461 and 340,728.75

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Solution

The third proportional to 232,461 and 340,728.75 is: 499,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,461 : 340,728.75 = 340,728.75 : x
  2. Step 2: Convert to fraction form
    232,461/340,728.75 = 340,728.75/x
  3. Step 3: Cross multiply
    232,461x = 340,728.75 × 340,728.75
  4. Step 4: Simplify right side
    232,461x = 116,096,081,076.56
  5. Step 5: Solve for x
    x = 116,096,081,076.56/232,461
  6. Step 6: Final answer
    x = 499,421.76

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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.