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Finding the Third Proportional to 505,710 and 1,086,459.75

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Solution

The third proportional to 505,710 and 1,086,459.75 is: 2,334,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710 : 1,086,459.75 = 1,086,459.75 : x
  2. Step 2: Convert to fraction form
    505,710/1,086,459.75 = 1,086,459.75/x
  3. Step 3: Cross multiply
    505,710x = 1,086,459.75 × 1,086,459.75
  4. Step 4: Simplify right side
    505,710x = 1,180,394,788,370.06
  5. Step 5: Solve for x
    x = 1,180,394,788,370.06/505,710
  6. Step 6: Final answer
    x = 2,334,133.77

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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.