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Finding the Third Proportional to 211,416.75 and 327,574.13

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Solution

The third proportional to 211,416.75 and 327,574.13 is: 507,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.75 : 327,574.13 = 327,574.13 : x
  2. Step 2: Convert to fraction form
    211,416.75/327,574.13 = 327,574.13/x
  3. Step 3: Cross multiply
    211,416.75x = 327,574.13 × 327,574.13
  4. Step 4: Simplify right side
    211,416.75x = 107,304,807,369.52
  5. Step 5: Solve for x
    x = 107,304,807,369.52/211,416.75
  6. Step 6: Final answer
    x = 507,551.12

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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.