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Finding the Third Proportional to 100,174.50 and 217,737

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Solution

The third proportional to 100,174.50 and 217,737 is: 473,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,174.50 : 217,737 = 217,737 : x
  2. Step 2: Convert to fraction form
    100,174.50/217,737 = 217,737/x
  3. Step 3: Cross multiply
    100,174.50x = 217,737 × 217,737
  4. Step 4: Simplify right side
    100,174.50x = 47,409,401,169
  5. Step 5: Solve for x
    x = 47,409,401,169/100,174.50
  6. Step 6: Final answer
    x = 473,268.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.