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Finding the Third Proportional to 174,553 and 266,907

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Solution

The third proportional to 174,553 and 266,907 is: 408,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,553 : 266,907 = 266,907 : x
  2. Step 2: Convert to fraction form
    174,553/266,907 = 266,907/x
  3. Step 3: Cross multiply
    174,553x = 266,907 × 266,907
  4. Step 4: Simplify right side
    174,553x = 71,239,346,649
  5. Step 5: Solve for x
    x = 71,239,346,649/174,553
  6. Step 6: Final answer
    x = 408,124.45

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.