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Finding the Third Proportional to 414,024 and 891,472

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Solution

The third proportional to 414,024 and 891,472 is: 1,919,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,024 : 891,472 = 891,472 : x
  2. Step 2: Convert to fraction form
    414,024/891,472 = 891,472/x
  3. Step 3: Cross multiply
    414,024x = 891,472 × 891,472
  4. Step 4: Simplify right side
    414,024x = 794,722,326,784
  5. Step 5: Solve for x
    x = 794,722,326,784/414,024
  6. Step 6: Final answer
    x = 1,919,507.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.