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Finding the Third Proportional to 335,364 and 498,489

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Solution

The third proportional to 335,364 and 498,489 is: 740,959.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,364 : 498,489 = 498,489 : x
  2. Step 2: Convert to fraction form
    335,364/498,489 = 498,489/x
  3. Step 3: Cross multiply
    335,364x = 498,489 × 498,489
  4. Step 4: Simplify right side
    335,364x = 248,491,283,121
  5. Step 5: Solve for x
    x = 248,491,283,121/335,364
  6. Step 6: Final answer
    x = 740,959.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.