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Finding the Third Proportional to 265,747.50 and 411,743.25

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Solution

The third proportional to 265,747.50 and 411,743.25 is: 637,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,747.50 : 411,743.25 = 411,743.25 : x
  2. Step 2: Convert to fraction form
    265,747.50/411,743.25 = 411,743.25/x
  3. Step 3: Cross multiply
    265,747.50x = 411,743.25 × 411,743.25
  4. Step 4: Simplify right side
    265,747.50x = 169,532,503,920.56
  5. Step 5: Solve for x
    x = 169,532,503,920.56/265,747.50
  6. Step 6: Final answer
    x = 637,945.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.