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Finding the Third Proportional to 590,847 and 916,617

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Solution

The third proportional to 590,847 and 916,617 is: 1,422,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,847 : 916,617 = 916,617 : x
  2. Step 2: Convert to fraction form
    590,847/916,617 = 916,617/x
  3. Step 3: Cross multiply
    590,847x = 916,617 × 916,617
  4. Step 4: Simplify right side
    590,847x = 840,186,724,689
  5. Step 5: Solve for x
    x = 840,186,724,689/590,847
  6. Step 6: Final answer
    x = 1,422,003.88

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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.