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Finding the Third Proportional to 245,450.25 and 539,136

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Solution

The third proportional to 245,450.25 and 539,136 is: 1,184,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,450.25 : 539,136 = 539,136 : x
  2. Step 2: Convert to fraction form
    245,450.25/539,136 = 539,136/x
  3. Step 3: Cross multiply
    245,450.25x = 539,136 × 539,136
  4. Step 4: Simplify right side
    245,450.25x = 290,667,626,496
  5. Step 5: Solve for x
    x = 290,667,626,496/245,450.25
  6. Step 6: Final answer
    x = 1,184,222.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.