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Finding the Third Proportional to 515,164 and 757,848

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Solution

The third proportional to 515,164 and 757,848 is: 1,114,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,164 : 757,848 = 757,848 : x
  2. Step 2: Convert to fraction form
    515,164/757,848 = 757,848/x
  3. Step 3: Cross multiply
    515,164x = 757,848 × 757,848
  4. Step 4: Simplify right side
    515,164x = 574,333,591,104
  5. Step 5: Solve for x
    x = 574,333,591,104/515,164
  6. Step 6: Final answer
    x = 1,114,855.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.