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Finding the Third Proportional to 533,387 and 1,259,109

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Solution

The third proportional to 533,387 and 1,259,109 is: 2,972,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,387 : 1,259,109 = 1,259,109 : x
  2. Step 2: Convert to fraction form
    533,387/1,259,109 = 1,259,109/x
  3. Step 3: Cross multiply
    533,387x = 1,259,109 × 1,259,109
  4. Step 4: Simplify right side
    533,387x = 1,585,355,473,881
  5. Step 5: Solve for x
    x = 1,585,355,473,881/533,387
  6. Step 6: Final answer
    x = 2,972,242.43

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.