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Finding the Third Proportional to 169,266.75 and 262,938.50

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Solution

The third proportional to 169,266.75 and 262,938.50 is: 408,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,266.75 : 262,938.50 = 262,938.50 : x
  2. Step 2: Convert to fraction form
    169,266.75/262,938.50 = 262,938.50/x
  3. Step 3: Cross multiply
    169,266.75x = 262,938.50 × 262,938.50
  4. Step 4: Simplify right side
    169,266.75x = 69,136,654,782.25
  5. Step 5: Solve for x
    x = 69,136,654,782.25/169,266.75
  6. Step 6: Final answer
    x = 408,447.94

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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.