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Finding the Third Proportional to 336,018.38 and 520,171.88

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Solution

The third proportional to 336,018.38 and 520,171.88 is: 805,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,018.38 : 520,171.88 = 520,171.88 : x
  2. Step 2: Convert to fraction form
    336,018.38/520,171.88 = 520,171.88/x
  3. Step 3: Cross multiply
    336,018.38x = 520,171.88 × 520,171.88
  4. Step 4: Simplify right side
    336,018.38x = 270,578,779,541.02
  5. Step 5: Solve for x
    x = 270,578,779,541.02/336,018.38
  6. Step 6: Final answer
    x = 805,249.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.