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Finding the Third Proportional to 71,053.50 and 153,177

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Solution

The third proportional to 71,053.50 and 153,177 is: 330,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.50 : 153,177 = 153,177 : x
  2. Step 2: Convert to fraction form
    71,053.50/153,177 = 153,177/x
  3. Step 3: Cross multiply
    71,053.50x = 153,177 × 153,177
  4. Step 4: Simplify right side
    71,053.50x = 23,463,193,329
  5. Step 5: Solve for x
    x = 23,463,193,329/71,053.50
  6. Step 6: Final answer
    x = 330,218.68

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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.