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Finding the Third Proportional to 368,716.50 and 498,165.75

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Solution

The third proportional to 368,716.50 and 498,165.75 is: 673,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,716.50 : 498,165.75 = 498,165.75 : x
  2. Step 2: Convert to fraction form
    368,716.50/498,165.75 = 498,165.75/x
  3. Step 3: Cross multiply
    368,716.50x = 498,165.75 × 498,165.75
  4. Step 4: Simplify right side
    368,716.50x = 248,169,114,473.06
  5. Step 5: Solve for x
    x = 248,169,114,473.06/368,716.50
  6. Step 6: Final answer
    x = 673,062.13

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.