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Finding the Third Proportional to 348,808 and 539,992

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Solution

The third proportional to 348,808 and 539,992 is: 835,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,808 : 539,992 = 539,992 : x
  2. Step 2: Convert to fraction form
    348,808/539,992 = 539,992/x
  3. Step 3: Cross multiply
    348,808x = 539,992 × 539,992
  4. Step 4: Simplify right side
    348,808x = 291,591,360,064
  5. Step 5: Solve for x
    x = 291,591,360,064/348,808
  6. Step 6: Final answer
    x = 835,965.23

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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.