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Finding the Third Proportional to 368,012 and 539,899

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Solution

The third proportional to 368,012 and 539,899 is: 792,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,012 : 539,899 = 539,899 : x
  2. Step 2: Convert to fraction form
    368,012/539,899 = 539,899/x
  3. Step 3: Cross multiply
    368,012x = 539,899 × 539,899
  4. Step 4: Simplify right side
    368,012x = 291,490,930,201
  5. Step 5: Solve for x
    x = 291,490,930,201/368,012
  6. Step 6: Final answer
    x = 792,069.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.