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Finding the Third Proportional to 313,348.50 and 676,572.75

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Solution

The third proportional to 313,348.50 and 676,572.75 is: 1,460,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,348.50 : 676,572.75 = 676,572.75 : x
  2. Step 2: Convert to fraction form
    313,348.50/676,572.75 = 676,572.75/x
  3. Step 3: Cross multiply
    313,348.50x = 676,572.75 × 676,572.75
  4. Step 4: Simplify right side
    313,348.50x = 457,750,686,042.56
  5. Step 5: Solve for x
    x = 457,750,686,042.56/313,348.50
  6. Step 6: Final answer
    x = 1,460,835.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.