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Finding the Third Proportional to 276,486 and 606,540

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Solution

The third proportional to 276,486 and 606,540 is: 1,330,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,486 : 606,540 = 606,540 : x
  2. Step 2: Convert to fraction form
    276,486/606,540 = 606,540/x
  3. Step 3: Cross multiply
    276,486x = 606,540 × 606,540
  4. Step 4: Simplify right side
    276,486x = 367,890,771,600
  5. Step 5: Solve for x
    x = 367,890,771,600/276,486
  6. Step 6: Final answer
    x = 1,330,594.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.