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Finding the Third Proportional to 482,687 and 655,543

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Solution

The third proportional to 482,687 and 655,543 is: 890,300.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,687 : 655,543 = 655,543 : x
  2. Step 2: Convert to fraction form
    482,687/655,543 = 655,543/x
  3. Step 3: Cross multiply
    482,687x = 655,543 × 655,543
  4. Step 4: Simplify right side
    482,687x = 429,736,624,849
  5. Step 5: Solve for x
    x = 429,736,624,849/482,687
  6. Step 6: Final answer
    x = 890,300.81

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.