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Finding the Third Proportional to 424,559 and 576,896

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Solution

The third proportional to 424,559 and 576,896 is: 783,893.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,559 : 576,896 = 576,896 : x
  2. Step 2: Convert to fraction form
    424,559/576,896 = 576,896/x
  3. Step 3: Cross multiply
    424,559x = 576,896 × 576,896
  4. Step 4: Simplify right side
    424,559x = 332,808,994,816
  5. Step 5: Solve for x
    x = 332,808,994,816/424,559
  6. Step 6: Final answer
    x = 783,893.39

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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.