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Finding the Third Proportional to 558,231.75 and 761,896.13

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Solution

The third proportional to 558,231.75 and 761,896.13 is: 1,039,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,231.75 : 761,896.13 = 761,896.13 : x
  2. Step 2: Convert to fraction form
    558,231.75/761,896.13 = 761,896.13/x
  3. Step 3: Cross multiply
    558,231.75x = 761,896.13 × 761,896.13
  4. Step 4: Simplify right side
    558,231.75x = 580,485,705,290.02
  5. Step 5: Solve for x
    x = 580,485,705,290.02/558,231.75
  6. Step 6: Final answer
    x = 1,039,865.08

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.