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Finding the Third Proportional to 590,550.75 and 916,174.13

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Solution

The third proportional to 590,550.75 and 916,174.13 is: 1,421,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,550.75 : 916,174.13 = 916,174.13 : x
  2. Step 2: Convert to fraction form
    590,550.75/916,174.13 = 916,174.13/x
  3. Step 3: Cross multiply
    590,550.75x = 916,174.13 × 916,174.13
  4. Step 4: Simplify right side
    590,550.75x = 839,375,027,319.52
  5. Step 5: Solve for x
    x = 839,375,027,319.52/590,550.75
  6. Step 6: Final answer
    x = 1,421,342.75

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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.