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Finding the Third Proportional to 133,764 and 315,750

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Solution

The third proportional to 133,764 and 315,750 is: 745,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,764 : 315,750 = 315,750 : x
  2. Step 2: Convert to fraction form
    133,764/315,750 = 315,750/x
  3. Step 3: Cross multiply
    133,764x = 315,750 × 315,750
  4. Step 4: Simplify right side
    133,764x = 99,698,062,500
  5. Step 5: Solve for x
    x = 99,698,062,500/133,764
  6. Step 6: Final answer
    x = 745,328.06

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.