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Finding the Third Proportional to 590,827.50 and 916,589.25

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Solution

The third proportional to 590,827.50 and 916,589.25 is: 1,421,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,827.50 : 916,589.25 = 916,589.25 : x
  2. Step 2: Convert to fraction form
    590,827.50/916,589.25 = 916,589.25/x
  3. Step 3: Cross multiply
    590,827.50x = 916,589.25 × 916,589.25
  4. Step 4: Simplify right side
    590,827.50x = 840,135,853,215.56
  5. Step 5: Solve for x
    x = 840,135,853,215.56/590,827.50
  6. Step 6: Final answer
    x = 1,421,964.71

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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.