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Finding the Third Proportional to 273,156 and 591,240

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Solution

The third proportional to 273,156 and 591,240 is: 1,279,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,156 : 591,240 = 591,240 : x
  2. Step 2: Convert to fraction form
    273,156/591,240 = 591,240/x
  3. Step 3: Cross multiply
    273,156x = 591,240 × 591,240
  4. Step 4: Simplify right side
    273,156x = 349,564,737,600
  5. Step 5: Solve for x
    x = 349,564,737,600/273,156
  6. Step 6: Final answer
    x = 1,279,725.64

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.